r239665 - Add `-verify-ignore-unexpected` option to ignore unexpected diagnostics in VerifyDiagnosticsConsumer

David Blaikie dblaikie at gmail.com
Sat Jun 13 10:31:51 PDT 2015


On Sat, Jun 13, 2015 at 9:32 AM, Eric Fiselier <eric at efcs.ca> wrote:

> On Sat, Jun 13, 2015 at 12:16 PM, David Blaikie <dblaikie at gmail.com>
> wrote:
> >
> >
> > On Sat, Jun 13, 2015 at 12:11 AM, Eric Fiselier <eric at efcs.ca> wrote:
> >>
> >> Author: ericwf
> >> Date: Sat Jun 13 02:11:40 2015
> >> New Revision: 239665
> >>
> >> URL: http://llvm.org/viewvc/llvm-project?rev=239665&view=rev
> >> Log:
> >> Add `-verify-ignore-unexpected` option to ignore unexpected diagnostics
> in
> >> VerifyDiagnosticsConsumer
> >>
> >> Summary:
> >> The goal of this patch is to make `-verify` easier to use when testing
> >> libc++. The `notes` attached to compile error diagnostics are numerous
> and
> >> relatively unstable when they reference libc++ header internals. This
> patch
> >> allows libc++ to write stable compilation failure tests by allowing
> >> unexpected diagnostic messages to be ignored where they are not
> relevant.
> >
> >
> > Would it be better to have a flag that only ignores notes (or do we have
> a
> > flag that disables notes? That might be generically useful?).
>
> -verify-ignore-unexpected=note will only ignore notes.
>
> > I'd be concerned that ignoring unexpected diagnostics could hide
> > warnings/errors in libc++?
>
> I agree with your concerns. Within libc++ I was only planning on
> ignoring notes, and possibly
> warnings in some contexts (C++11 extensions warnings for example).
>
> However I felt that providing '-verify-ignore-unexpected' and
> '-verify-ignore-unexpected=<Levels>'
> was a better, more generic, solution than just providing something
> like '-verify-ignore-unexpected-notes'.
>

Oh, fair enough - seems I could've read a bit more carefully/completely.
Sorry for the noise & thanks for the explanation!

- Dave


>
> /Eric
>
>
> >
> >>
> >>
> >> This patch adds a new CC1 flag called `-verify-ignore-unexpected`.
> >> `-verify-ignore-unexpected` tells `VerifyDiagnosticsConsumer` to ignore
> >> *all* unexpected diagnostic messages.
> >> `-verify-ignore-unexpected=<LevelList>` can be used to only ignore
> certain
> >> diagnostic levels. `<LevelList>` is a comma separated list of diagnostic
> >> levels to ignore. The supported levels are `note`, `remark`, `warning`
> and
> >> `error`.
> >>
> >>
> >>
> >> Reviewers: bogner, grosser, EricWF
> >>
> >> Reviewed By: EricWF
> >>
> >> Subscribers: cfe-commits
> >>
> >> Differential Revision: http://reviews.llvm.org/D10138
> >>
> >> Added:
> >>     cfe/trunk/lib/Basic/DiagnosticOptions.cpp
> >>     cfe/trunk/test/Frontend/verify-ignore-unexpected.c
> >> Modified:
> >>     cfe/trunk/include/clang/Basic/DiagnosticOptions.def
> >>     cfe/trunk/include/clang/Basic/DiagnosticOptions.h
> >>     cfe/trunk/include/clang/Driver/CC1Options.td
> >>     cfe/trunk/lib/Basic/CMakeLists.txt
> >>     cfe/trunk/lib/Frontend/CompilerInvocation.cpp
> >>     cfe/trunk/lib/Frontend/VerifyDiagnosticConsumer.cpp
> >>
> >> Modified: cfe/trunk/include/clang/Basic/DiagnosticOptions.def
> >> URL:
> >>
> http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/DiagnosticOptions.def?rev=239665&r1=239664&r2=239665&view=diff
> >>
> >>
> ==============================================================================
> >> --- cfe/trunk/include/clang/Basic/DiagnosticOptions.def (original)
> >> +++ cfe/trunk/include/clang/Basic/DiagnosticOptions.def Sat Jun 13
> >> 02:11:40 2015
> >> @@ -69,7 +69,10 @@ ENUM_DIAGOPT(ShowOverloads, OverloadsSho
> >>  DIAGOPT(VerifyDiagnostics, 1, 0) /// Check that diagnostics match the
> >> expected
> >>                                   /// diagnostics, indicated by markers
> in
> >> the
> >>                                   /// input source file.
> >> -
> >> +ENUM_DIAGOPT(VerifyIgnoreUnexpected, DiagnosticLevelMask, 4,
> >> +             DiagnosticLevelMask::None) /// Ignore unexpected
> diagnostics
> >> of
> >> +                                        /// the specified levels when
> >> using
> >> +                                        /// -verify.
> >>  DIAGOPT(ElideType, 1, 0)         /// Elide identical types in template
> >> diffing
> >>  DIAGOPT(ShowTemplateTree, 1, 0)  /// Print a template tree when diffing
> >>  DIAGOPT(CLFallbackMode, 1, 0)    /// Format for clang-cl fallback mode
> >>
> >> Modified: cfe/trunk/include/clang/Basic/DiagnosticOptions.h
> >> URL:
> >>
> http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/DiagnosticOptions.h?rev=239665&r1=239664&r2=239665&view=diff
> >>
> >>
> ==============================================================================
> >> --- cfe/trunk/include/clang/Basic/DiagnosticOptions.h (original)
> >> +++ cfe/trunk/include/clang/Basic/DiagnosticOptions.h Sat Jun 13
> 02:11:40
> >> 2015
> >> @@ -13,6 +13,7 @@
> >>  #include "clang/Basic/LLVM.h"
> >>  #include "llvm/ADT/IntrusiveRefCntPtr.h"
> >>  #include <string>
> >> +#include <type_traits>
> >>  #include <vector>
> >>
> >>  namespace clang {
> >> @@ -24,6 +25,38 @@ enum OverloadsShown : unsigned {
> >>    Ovl_Best  ///< Show just the "best" overload candidates.
> >>  };
> >>
> >> +/// \brief A bitmask representing the diagnostic levels used by
> >> +/// VerifyDiagnosticConsumer.
> >> +enum class DiagnosticLevelMask : unsigned {
> >> +  None    = 0,
> >> +  Note    = 1 << 0,
> >> +  Remark  = 1 << 1,
> >> +  Warning = 1 << 2,
> >> +  Error   = 1 << 3,
> >> +  All     = Note | Remark | Warning | Error
> >> +};
> >> +
> >> +inline DiagnosticLevelMask operator~(DiagnosticLevelMask M) {
> >> +  using UT = std::underlying_type<DiagnosticLevelMask>::type;
> >> +  return static_cast<DiagnosticLevelMask>(~static_cast<UT>(M));
> >> +}
> >> +
> >> +inline DiagnosticLevelMask operator|(DiagnosticLevelMask LHS,
> >> +                                     DiagnosticLevelMask RHS) {
> >> +  using UT = std::underlying_type<DiagnosticLevelMask>::type;
> >> +  return static_cast<DiagnosticLevelMask>(
> >> +    static_cast<UT>(LHS) | static_cast<UT>(RHS));
> >> +}
> >> +
> >> +inline DiagnosticLevelMask operator&(DiagnosticLevelMask LHS,
> >> +                                     DiagnosticLevelMask RHS) {
> >> +  using UT = std::underlying_type<DiagnosticLevelMask>::type;
> >> +  return static_cast<DiagnosticLevelMask>(
> >> +    static_cast<UT>(LHS) & static_cast<UT>(RHS));
> >> +}
> >> +
> >> +raw_ostream& operator<<(raw_ostream& Out, DiagnosticLevelMask M);
> >> +
> >>  /// \brief Options for controlling the compiler diagnostics engine.
> >>  class DiagnosticOptions : public RefCountedBase<DiagnosticOptions>{
> >>  public:
> >>
> >> Modified: cfe/trunk/include/clang/Driver/CC1Options.td
> >> URL:
> >>
> http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Driver/CC1Options.td?rev=239665&r1=239664&r2=239665&view=diff
> >>
> >>
> ==============================================================================
> >> --- cfe/trunk/include/clang/Driver/CC1Options.td (original)
> >> +++ cfe/trunk/include/clang/Driver/CC1Options.td Sat Jun 13 02:11:40
> 2015
> >> @@ -301,6 +301,10 @@ def fmessage_length : Separate<["-"], "f
> >>    HelpText<"Format message diagnostics so that they fit within N
> columns
> >> or fewer, when possible.">;
> >>  def verify : Flag<["-"], "verify">,
> >>    HelpText<"Verify diagnostic output using comment directives">;
> >> +def verify_ignore_unexpected : Flag<["-"], "verify-ignore-unexpected">,
> >> +  HelpText<"Ignore unexpected diagnostic messages">;
> >> +def verify_ignore_unexpected_EQ : CommaJoined<["-"],
> >> "verify-ignore-unexpected=">,
> >> +  HelpText<"Ignore unexpected diagnostic messages">;
> >>  def Wno_rewrite_macros : Flag<["-"], "Wno-rewrite-macros">,
> >>    HelpText<"Silence ObjC rewriting warnings">;
> >>
> >>
> >> Modified: cfe/trunk/lib/Basic/CMakeLists.txt
> >> URL:
> >>
> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/CMakeLists.txt?rev=239665&r1=239664&r2=239665&view=diff
> >>
> >>
> ==============================================================================
> >> --- cfe/trunk/lib/Basic/CMakeLists.txt (original)
> >> +++ cfe/trunk/lib/Basic/CMakeLists.txt Sat Jun 13 02:11:40 2015
> >> @@ -61,6 +61,7 @@ add_clang_library(clangBasic
> >>    CharInfo.cpp
> >>    Diagnostic.cpp
> >>    DiagnosticIDs.cpp
> >> +  DiagnosticOptions.cpp
> >>    FileManager.cpp
> >>    FileSystemStatCache.cpp
> >>    IdentifierTable.cpp
> >>
> >> Added: cfe/trunk/lib/Basic/DiagnosticOptions.cpp
> >> URL:
> >>
> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/DiagnosticOptions.cpp?rev=239665&view=auto
> >>
> >>
> ==============================================================================
> >> --- cfe/trunk/lib/Basic/DiagnosticOptions.cpp (added)
> >> +++ cfe/trunk/lib/Basic/DiagnosticOptions.cpp Sat Jun 13 02:11:40 2015
> >> @@ -0,0 +1,24 @@
> >> +//===--- DiagnosticOptions.cpp - C Language Family Diagnostic Handling
> >> ----===//
> >> +//
> >> +//                     The LLVM Compiler Infrastructure
> >> +//
> >> +// This file is distributed under the University of Illinois Open
> Source
> >> +// License. See LICENSE.TXT for details.
> >> +//
> >>
> >>
> +//===----------------------------------------------------------------------===//
> >> +//
> >> +//  This file implements the DiagnosticOptions related interfaces.
> >> +//
> >>
> >>
> +//===----------------------------------------------------------------------===//
> >> +
> >> +#include "clang/Basic/DiagnosticOptions.h"
> >> +#include "llvm/Support/raw_ostream.h"
> >> +
> >> +namespace clang {
> >> +
> >> +raw_ostream& operator<<(raw_ostream& Out, DiagnosticLevelMask M) {
> >> +  using UT = std::underlying_type<DiagnosticLevelMask>::type;
> >> +  return Out << static_cast<UT>(M);
> >> +}
> >> +
> >> +} // end namespace clang
> >>
> >> Modified: cfe/trunk/lib/Frontend/CompilerInvocation.cpp
> >> URL:
> >>
> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/CompilerInvocation.cpp?rev=239665&r1=239664&r2=239665&view=diff
> >>
> >>
> ==============================================================================
> >> --- cfe/trunk/lib/Frontend/CompilerInvocation.cpp (original)
> >> +++ cfe/trunk/lib/Frontend/CompilerInvocation.cpp Sat Jun 13 02:11:40
> 2015
> >> @@ -321,6 +321,29 @@ GenerateOptimizationRemarkRegex(Diagnost
> >>    return Pattern;
> >>  }
> >>
> >> +static bool parseDiagnosticLevelMask(StringRef FlagName,
> >> +                                     const std::vector<std::string>
> >> &Levels,
> >> +                                     DiagnosticsEngine *Diags,
> >> +                                     DiagnosticLevelMask &M) {
> >> +  bool Success = true;
> >> +  for (const auto &Level : Levels) {
> >> +    DiagnosticLevelMask const PM =
> >> +      llvm::StringSwitch<DiagnosticLevelMask>(Level)
> >> +        .Case("note",    DiagnosticLevelMask::Note)
> >> +        .Case("remark",  DiagnosticLevelMask::Remark)
> >> +        .Case("warning", DiagnosticLevelMask::Warning)
> >> +        .Case("error",   DiagnosticLevelMask::Error)
> >> +        .Default(DiagnosticLevelMask::None);
> >> +    if (PM == DiagnosticLevelMask::None) {
> >> +      Success = false;
> >> +      if (Diags)
> >> +        Diags->Report(diag::err_drv_invalid_value) << FlagName <<
> Level;
> >> +    }
> >> +    M = M | PM;
> >> +  }
> >> +  return Success;
> >> +}
> >> +
> >>  static void parseSanitizerKinds(StringRef FlagName,
> >>                                  const std::vector<std::string>
> >> &Sanitizers,
> >>                                  DiagnosticsEngine &Diags, SanitizerSet
> >> &S) {
> >> @@ -748,11 +771,18 @@ bool clang::ParseDiagnosticArgs(Diagnost
> >>        << Args.getLastArg(OPT_fdiagnostics_format)->getAsString(Args)
> >>        << Format;
> >>    }
> >> -
> >> +
> >>    Opts.ShowSourceRanges =
> >> Args.hasArg(OPT_fdiagnostics_print_source_range_info);
> >>    Opts.ShowParseableFixits =
> >> Args.hasArg(OPT_fdiagnostics_parseable_fixits);
> >>    Opts.ShowPresumedLoc =
> >> !Args.hasArg(OPT_fno_diagnostics_use_presumed_location);
> >>    Opts.VerifyDiagnostics = Args.hasArg(OPT_verify);
> >> +  DiagnosticLevelMask DiagMask = DiagnosticLevelMask::None;
> >> +  Success &= parseDiagnosticLevelMask("-verify-ignore-unexpected=",
> >> +    Args.getAllArgValues(OPT_verify_ignore_unexpected_EQ),
> >> +    Diags, DiagMask);
> >> +  if (Args.hasArg(OPT_verify_ignore_unexpected))
> >> +    DiagMask = DiagnosticLevelMask::All;
> >> +  Opts.setVerifyIgnoreUnexpected(DiagMask);
> >>    Opts.ElideType = !Args.hasArg(OPT_fno_elide_type);
> >>    Opts.ShowTemplateTree =
> >> Args.hasArg(OPT_fdiagnostics_show_template_tree);
> >>    Opts.ErrorLimit = getLastArgIntValue(Args, OPT_ferror_limit, 0,
> Diags);
> >>
> >> Modified: cfe/trunk/lib/Frontend/VerifyDiagnosticConsumer.cpp
> >> URL:
> >>
> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/VerifyDiagnosticConsumer.cpp?rev=239665&r1=239664&r2=239665&view=diff
> >>
> >>
> ==============================================================================
> >> --- cfe/trunk/lib/Frontend/VerifyDiagnosticConsumer.cpp (original)
> >> +++ cfe/trunk/lib/Frontend/VerifyDiagnosticConsumer.cpp Sat Jun 13
> >> 02:11:40 2015
> >> @@ -691,7 +691,8 @@ static unsigned CheckLists(DiagnosticsEn
> >>                             const char *Label,
> >>                             DirectiveList &Left,
> >>                             const_diag_iterator d2_begin,
> >> -                           const_diag_iterator d2_end) {
> >> +                           const_diag_iterator d2_end,
> >> +                           bool IgnoreUnexpected) {
> >>    std::vector<Directive *> LeftOnly;
> >>    DiagList Right(d2_begin, d2_end);
> >>
> >> @@ -727,7 +728,8 @@ static unsigned CheckLists(DiagnosticsEn
> >>    }
> >>    // Now all that's left in Right are those that were not matched.
> >>    unsigned num = PrintExpected(Diags, SourceMgr, LeftOnly, Label);
> >> -  num += PrintUnexpected(Diags, &SourceMgr, Right.begin(), Right.end(),
> >> Label);
> >> +  if (!IgnoreUnexpected)
> >> +    num += PrintUnexpected(Diags, &SourceMgr, Right.begin(),
> Right.end(),
> >> Label);
> >>    return num;
> >>  }
> >>
> >> @@ -745,21 +747,28 @@ static unsigned CheckResults(Diagnostics
> >>    //   Seen \ Expected - set seen but not expected
> >>    unsigned NumProblems = 0;
> >>
> >> +  const DiagnosticLevelMask DiagMask =
> >> +    Diags.getDiagnosticOptions().getVerifyIgnoreUnexpected();
> >> +
> >>    // See if there are error mismatches.
> >>    NumProblems += CheckLists(Diags, SourceMgr, "error", ED.Errors,
> >> -                            Buffer.err_begin(), Buffer.err_end());
> >> +                            Buffer.err_begin(), Buffer.err_end(),
> >> +                            bool(DiagnosticLevelMask::Error &
> DiagMask));
> >>
> >>    // See if there are warning mismatches.
> >>    NumProblems += CheckLists(Diags, SourceMgr, "warning", ED.Warnings,
> >> -                            Buffer.warn_begin(), Buffer.warn_end());
> >> +                            Buffer.warn_begin(), Buffer.warn_end(),
> >> +                            bool(DiagnosticLevelMask::Warning &
> >> DiagMask));
> >>
> >>    // See if there are remark mismatches.
> >>    NumProblems += CheckLists(Diags, SourceMgr, "remark", ED.Remarks,
> >> -                            Buffer.remark_begin(),
> Buffer.remark_end());
> >> +                            Buffer.remark_begin(), Buffer.remark_end(),
> >> +                            bool(DiagnosticLevelMask::Remark &
> >> DiagMask));
> >>
> >>    // See if there are note mismatches.
> >>    NumProblems += CheckLists(Diags, SourceMgr, "note", ED.Notes,
> >> -                            Buffer.note_begin(), Buffer.note_end());
> >> +                            Buffer.note_begin(), Buffer.note_end(),
> >> +                            bool(DiagnosticLevelMask::Note &
> DiagMask));
> >>
> >>    return NumProblems;
> >>  }
> >> @@ -854,12 +863,20 @@ void VerifyDiagnosticConsumer::CheckDiag
> >>      // Check that the expected diagnostics occurred.
> >>      NumErrors += CheckResults(Diags, *SrcManager, *Buffer, ED);
> >>    } else {
> >> -    NumErrors += (PrintUnexpected(Diags, nullptr, Buffer->err_begin(),
> >> -                                  Buffer->err_end(), "error") +
> >> -                  PrintUnexpected(Diags, nullptr, Buffer->warn_begin(),
> >> -                                  Buffer->warn_end(), "warn") +
> >> -                  PrintUnexpected(Diags, nullptr, Buffer->note_begin(),
> >> -                                  Buffer->note_end(), "note"));
> >> +    const DiagnosticLevelMask DiagMask =
> >> +        ~Diags.getDiagnosticOptions().getVerifyIgnoreUnexpected();
> >> +    if (bool(DiagnosticLevelMask::Error & DiagMask))
> >> +      NumErrors += PrintUnexpected(Diags, nullptr, Buffer->err_begin(),
> >> +                                   Buffer->err_end(), "error");
> >> +    if (bool(DiagnosticLevelMask::Warning & DiagMask))
> >> +      NumErrors += PrintUnexpected(Diags, nullptr,
> Buffer->warn_begin(),
> >> +                                   Buffer->warn_end(), "warn");
> >> +    if (bool(DiagnosticLevelMask::Remark & DiagMask))
> >> +      NumErrors += PrintUnexpected(Diags, nullptr,
> >> Buffer->remark_begin(),
> >> +                                   Buffer->remark_end(), "remark");
> >> +    if (bool(DiagnosticLevelMask::Note & DiagMask))
> >> +      NumErrors += PrintUnexpected(Diags, nullptr,
> Buffer->note_begin(),
> >> +                                   Buffer->note_end(), "note");
> >>    }
> >>
> >>    Diags.setClient(CurClient, Owner.release() != nullptr);
> >>
> >> Added: cfe/trunk/test/Frontend/verify-ignore-unexpected.c
> >> URL:
> >>
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Frontend/verify-ignore-unexpected.c?rev=239665&view=auto
> >>
> >>
> ==============================================================================
> >> --- cfe/trunk/test/Frontend/verify-ignore-unexpected.c (added)
> >> +++ cfe/trunk/test/Frontend/verify-ignore-unexpected.c Sat Jun 13
> 02:11:40
> >> 2015
> >> @@ -0,0 +1,81 @@
> >> +// RUN: not %clang_cc1 -DTEST_SWITCH
> >> -verify-ignore-unexpected=remark,aoeu,note -verify %s 2>&1 \
> >> +// RUN:     | FileCheck -check-prefix=CHECK-BAD-SWITCH %s
> >> +#ifdef TEST_SWITCH
> >> +// expected-no-diagnostics
> >> +#endif
> >> +// CHECK-BAD-SWITCH: error: 'error' diagnostics seen but not expected:
> >> +// CHECK-BAD-SWITCH-NEXT: (frontend): invalid value 'aoeu' in
> >> '-verify-ignore-unexpected='
> >> +
> >> +// RUN: %clang_cc1 -DTEST1 -verify %s
> >> +// RUN: %clang_cc1 -DTEST1 -verify -verify-ignore-unexpected %s
> >> +#ifdef TEST1
> >> +#warning MyWarning1
> >> +    // expected-warning at -1 {{MyWarning1}}
> >> +int x; // expected-note {{previous definition is here}}
> >> +float x; // expected-error {{redefinition of 'x'}}
> >> +#endif
> >> +
> >> +// RUN: not %clang_cc1 -DTEST2 -verify %s 2>&1 \
> >> +// RUN:     | FileCheck -check-prefix=CHECK-UNEXP %s
> >> +// RUN: not %clang_cc1 -DTEST2 -verify -verify-ignore-unexpected= %s
> 2>&1
> >> \
> >> +// RUN:     | FileCheck -check-prefix=CHECK-UNEXP %s
> >> +// RUN: not %clang_cc1 -DTEST2 -verify -verify-ignore-unexpected=note
> %s
> >> 2>&1 \
> >> +// RUN:     | FileCheck -check-prefix=CHECK-NOTE %s
> >> +// RUN: not %clang_cc1 -DTEST2 -verify
> -verify-ignore-unexpected=warning
> >> %s 2>&1 \
> >> +// RUN:     | FileCheck -check-prefix=CHECK-WARN %s
> >> +// RUN: not %clang_cc1 -DTEST2 -verify -verify-ignore-unexpected=error
> %s
> >> 2>&1 \
> >> +// RUN:     | FileCheck -check-prefix=CHECK-ERR %s
> >> +#ifdef TEST2
> >> +#warning MyWarning2
> >> +int x;
> >> +float x;
> >> +#endif
> >> +// CHECK-UNEXP: no expected directives found
> >> +// CHECK-UNEXP-NEXT: 'error' diagnostics seen but not expected
> >> +// CHECK-UNEXP-NEXT: Line {{[0-9]+}}: redefinition of 'x'
> >> +// CHECK-UNEXP-NEXT: 'warning' diagnostics seen but not expected
> >> +// CHECK-UNEXP-NEXT: Line {{[0-9]+}}: MyWarning2
> >> +// CHECK-UNEXP-NEXT: 'note' diagnostics seen but not expected
> >> +// CHECK-UNEXP-NEXT: Line {{[0-9]+}}: previous definition is here
> >> +// CHECK-UNEXP-NEXT: 4 errors generated.
> >> +
> >> +// CHECK-NOTE: no expected directives found
> >> +// CHECK-NOTE-NEXT: 'error' diagnostics seen but not expected
> >> +// CHECK-NOTE-NEXT: Line {{[0-9]+}}: redefinition of 'x'
> >> +// CHECK-NOTE-NEXT: 'warning' diagnostics seen but not expected
> >> +// CHECK-NOTE-NEXT: Line {{[0-9]+}}: MyWarning2
> >> +// CHECK-NOTE-NEXT: 3 errors generated.
> >> +
> >> +// CHECK-WARN: no expected directives found
> >> +// CHECK-WARN-NEXT: 'error' diagnostics seen but not expected
> >> +// CHECK-WARN-NEXT: Line {{[0-9]+}}: redefinition of 'x'
> >> +// CHECK-WARN-NEXT: 'note' diagnostics seen but not expected
> >> +// CHECK-WARN-NEXT: Line {{[0-9]+}}: previous definition is here
> >> +// CHECK-WARN-NEXT: 3 errors generated.
> >> +
> >> +// CHECK-ERR: no expected directives found
> >> +// CHECK-ERR-NEXT: 'warning' diagnostics seen but not expected
> >> +// CHECK-ERR-NEXT: Line {{[0-9]+}}: MyWarning2
> >> +// CHECK-ERR-NEXT: 'note' diagnostics seen but not expected
> >> +// CHECK-ERR-NEXT: Line {{[0-9]+}}: previous definition is here
> >> +// CHECK-ERR-NEXT: 3 errors generated.
> >> +
> >> +// RUN: not %clang_cc1 -DTEST3 -verify -verify-ignore-unexpected %s
> 2>&1
> >> \
> >> +// RUN:     | FileCheck -check-prefix=CHECK-EXP %s
> >> +#ifdef TEST3
> >> +// expected-error {{test3}}
> >> +#endif
> >> +// CHECK-EXP: 'error' diagnostics expected but not seen
> >> +// CHECK-EXP-NEXT: Line {{[0-9]+}}: test3
> >> +
> >> +// RUN: not %clang_cc1 -DTEST4 -verify -verify-ignore-unexpected %s
> 2>&1
> >> \
> >> +// RUN:     | FileCheck -check-prefix=CHECK-NOEXP %s
> >> +// RUN: not %clang_cc1 -DTEST4 -verify
> >> -verify-ignore-unexpected=warning,error,note %s 2>&1 \
> >> +// RUN:     | FileCheck -check-prefix=CHECK-NOEXP %s
> >> +#ifdef TEST4
> >> +#warning MyWarning4
> >> +int x;
> >> +float x;
> >> +#endif
> >> +// CHECK-NOEXP: error: no expected directives found
> >> +// CHECK-NOEXP-NEXT: 1 error generated
> >>
> >>
> >> _______________________________________________
> >> cfe-commits mailing list
> >> cfe-commits at cs.uiuc.edu
> >> http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits
> >
> >
>
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