r302966 - Remove unused tracking of owning module for MacroInfo objects.
Richard Smith via cfe-commits
cfe-commits at lists.llvm.org
Wed May 17 16:40:56 PDT 2017
I grabbed a clang binary from the build bot and have been trying to figure
out what's gone wrong. So far it looks like the msan-enabled stage1
miscompiled some part of clang's lib/Lex/TokenLexer.cpp (but I'm not sure
of that). It *looks* like TokenLexer::ExpandFunctionArguments is corrupting
the Flags member of the token, somewhere around the "if
(!VaArgsPseudoPaste)" block. I see what looks like a Token::Flags value of
0x2150, which is garbage: the highest assigned flag is 0x400.
On 17 May 2017 at 14:50, Vitaly Buka <vitalybuka at google.com> wrote:
> Actually it was not "-w" but -DCMAKE_BUILD_TYPE=Release
> Also now I am not sure that it was r302966.
> Looking.
>
> On Wed, May 17, 2017 at 2:15 PM Vitaly Buka <vitalybuka at google.com> wrote:
>
>> And looks like "-w" is needed to trigger this.
>>
>> On Wed, May 17, 2017 at 1:43 PM Vitaly Buka <vitalybuka at google.com>
>> wrote:
>>
>>> On Tue, May 16, 2017 at 12:19 PM Richard Smith <richard at metafoo.co.uk>
>>> wrote:
>>>
>>>> On 16 May 2017 at 11:54, Vitaly Buka <vitalybuka at google.com> wrote:
>>>>
>>>>> The patch breaks this test http://lab.llvm.org:8011/
>>>>> builders/sanitizer-x86_64-linux-bootstrap/builds/1349/
>>>>> steps/check-clang%20msan/logs/stdio
>>>>>
>>>>
>>>> Given the nature of this change, that's a surprise, but anything's
>>>> possible. How sure are you that it was this change?
>>>>
>>>>
>>> I bisected to the change locally.
>>>
>>>
>>>> Script:
>>>>> --
>>>>> /mnt/b/sanitizer-buildbot2/sanitizer-x86_64-linux-
>>>>> bootstrap/build/llvm_build_msan/./bin/clang -cc1 -internal-isystem
>>>>> /mnt/b/sanitizer-buildbot2/sanitizer-x86_64-linux-
>>>>> bootstrap/build/llvm_build_msan/lib/clang/5.0.0/include
>>>>> -nostdsysteminc -verify -fms-extensions -Wmicrosoft
>>>>> /mnt/b/sanitizer-buildbot2/sanitizer-x86_64-linux-
>>>>> bootstrap/build/llvm/tools/clang/test/Preprocessor/macro_
>>>>> paste_msextensions.c
>>>>> not /mnt/b/sanitizer-buildbot2/sanitizer-x86_64-linux-
>>>>> bootstrap/build/llvm_build_msan/./bin/clang -cc1 -internal-isystem
>>>>> /mnt/b/sanitizer-buildbot2/sanitizer-x86_64-linux-
>>>>> bootstrap/build/llvm_build_msan/lib/clang/5.0.0/include
>>>>> -nostdsysteminc -P -E -fms-extensions /mnt/b/sanitizer-buildbot2/
>>>>> sanitizer-x86_64-linux-bootstrap/build/llvm/tools/
>>>>> clang/test/Preprocessor/macro_paste_msextensions.c |
>>>>> /mnt/b/sanitizer-buildbot2/sanitizer-x86_64-linux-
>>>>> bootstrap/build/llvm_build_msan/./bin/FileCheck -strict-whitespace
>>>>> /mnt/b/sanitizer-buildbot2/sanitizer-x86_64-linux-
>>>>> bootstrap/build/llvm/tools/clang/test/Preprocessor/macro_
>>>>> paste_msextensions.c
>>>>> --
>>>>> Exit Code: 1
>>>>>
>>>>> Command Output (stderr):
>>>>> --
>>>>> /mnt/b/sanitizer-buildbot2/sanitizer-x86_64-linux-
>>>>> bootstrap/build/llvm/tools/clang/test/Preprocessor/macro_paste_msextensions.c:35:1:
>>>>> error: pasting formed '(baz', an invalid preprocessing token
>>>>> bar(q) // expected-warning {{type specifier missing}} expected-error
>>>>> {{invalid preprocessing token}} expected-error {{parameter list without
>>>>> types}}
>>>>> ^
>>>>> /mnt/b/sanitizer-buildbot2/sanitizer-x86_64-linux-
>>>>> bootstrap/build/llvm/tools/clang/test/Preprocessor/macro_paste_msextensions.c:34:20:
>>>>> note: expanded from macro 'bar'
>>>>> #define bar(y) foo(##baz(y))
>>>>> ^
>>>>> /mnt/b/sanitizer-buildbot2/sanitizer-x86_64-linux-
>>>>> bootstrap/build/llvm/tools/clang/test/Preprocessor/macro_paste_msextensions.c:42:1:
>>>>> error: pasting formed '1a-', an invalid preprocessing token
>>>>> collapse_spaces(1a, b2, 3c, d4) // expected-error 4 {{invalid
>>>>> preprocessing token}} expected-error {{expected function body}}
>>>>> ^
>>>>> /mnt/b/sanitizer-buildbot2/sanitizer-x86_64-linux-
>>>>> bootstrap/build/llvm/tools/clang/test/Preprocessor/macro_paste_msextensions.c:41:43:
>>>>> note: expanded from macro 'collapse_spaces'
>>>>> #define collapse_spaces(a, b, c, d) str(a ## - ## b ## - ## c ## d)
>>>>> ^
>>>>> /mnt/b/sanitizer-buildbot2/sanitizer-x86_64-linux-
>>>>> bootstrap/build/llvm/tools/clang/test/Preprocessor/macro_paste_msextensions.c:42:1:
>>>>> error: pasting formed '-b2', an invalid preprocessing token
>>>>> /mnt/b/sanitizer-buildbot2/sanitizer-x86_64-linux-
>>>>> bootstrap/build/llvm/tools/clang/test/Preprocessor/macro_paste_msextensions.c:41:48:
>>>>> note: expanded from macro 'collapse_spaces'
>>>>> #define collapse_spaces(a, b, c, d) str(a ## - ## b ## - ## c ## d)
>>>>> ^
>>>>> /mnt/b/sanitizer-buildbot2/sanitizer-x86_64-linux-
>>>>> bootstrap/build/llvm/tools/clang/test/Preprocessor/macro_paste_msextensions.c:42:1:
>>>>> error: pasting formed 'b2-', an invalid preprocessing token
>>>>> /mnt/b/sanitizer-buildbot2/sanitizer-x86_64-linux-
>>>>> bootstrap/build/llvm/tools/clang/test/Preprocessor/macro_paste_msextensions.c:41:53:
>>>>> note: expanded from macro 'collapse_spaces'
>>>>> #define collapse_spaces(a, b, c, d) str(a ## - ## b ## - ## c ## d)
>>>>> ^
>>>>> /mnt/b/sanitizer-buildbot2/sanitizer-x86_64-linux-
>>>>> bootstrap/build/llvm/tools/clang/test/Preprocessor/macro_paste_msextensions.c:42:1:
>>>>> error: pasting formed '-3c', an invalid preprocessing token
>>>>> /mnt/b/sanitizer-buildbot2/sanitizer-x86_64-linux-
>>>>> bootstrap/build/llvm/tools/clang/test/Preprocessor/macro_paste_msextensions.c:41:58:
>>>>> note: expanded from macro 'collapse_spaces'
>>>>> #define collapse_spaces(a, b, c, d) str(a ## - ## b ## - ## c ## d)
>>>>> ^
>>>>> 5 errors generated.
>>>>> /mnt/b/sanitizer-buildbot2/sanitizer-x86_64-linux-
>>>>> bootstrap/build/llvm/tools/clang/test/Preprocessor/macro_paste_msextensions.c:44:11:
>>>>> error: expected string not found in input
>>>>> // CHECK: "1a-b2-3cd4"
>>>>> ^
>>>>> <stdin>:34:1: note: scanning from here
>>>>> "1a-b2- 3cd4"
>>>>> ^
>>>>>
>>>>>
>>>>> On Mon, May 15, 2017 at 10:28 AM Jordan Rose via cfe-commits <
>>>>> cfe-commits at lists.llvm.org> wrote:
>>>>>
>>>>>> Hi, Richard. Swift was using this information in order to put
>>>>>> imported macros in a particular context. It wouldn't surprise me to hear
>>>>>> that we were doing it wrong, and that there's a better way to go from a
>>>>>> macro back to a module, but is there a recommended replacement?
>>>>>>
>>>>>> Thanks,
>>>>>> Jordan
>>>>>>
>>>>>>
>>>>>> > On May 12, 2017, at 16:40, Richard Smith via cfe-commits <
>>>>>> cfe-commits at lists.llvm.org> wrote:
>>>>>> >
>>>>>> > Author: rsmith
>>>>>> > Date: Fri May 12 18:40:52 2017
>>>>>> > New Revision: 302966
>>>>>> >
>>>>>> > URL: http://llvm.org/viewvc/llvm-project?rev=302966&view=rev
>>>>>> > Log:
>>>>>> > Remove unused tracking of owning module for MacroInfo objects.
>>>>>> >
>>>>>> > Modified:
>>>>>> > cfe/trunk/include/clang/Lex/MacroInfo.h
>>>>>> > cfe/trunk/include/clang/Lex/Preprocessor.h
>>>>>> > cfe/trunk/lib/Lex/MacroInfo.cpp
>>>>>> > cfe/trunk/lib/Lex/PPDirectives.cpp
>>>>>> > cfe/trunk/lib/Lex/Preprocessor.cpp
>>>>>> > cfe/trunk/lib/Serialization/ASTReader.cpp
>>>>>> > cfe/trunk/lib/Serialization/ASTWriter.cpp
>>>>>> >
>>>>>> > Modified: cfe/trunk/include/clang/Lex/MacroInfo.h
>>>>>> > URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/
>>>>>> clang/Lex/MacroInfo.h?rev=302966&r1=302965&r2=302966&view=diff
>>>>>> > ============================================================
>>>>>> ==================
>>>>>> > --- cfe/trunk/include/clang/Lex/MacroInfo.h (original)
>>>>>> > +++ cfe/trunk/include/clang/Lex/MacroInfo.h Fri May 12 18:40:52
>>>>>> 2017
>>>>>> > @@ -105,9 +105,6 @@ class MacroInfo {
>>>>>> > /// \brief Must warn if the macro is unused at the end of
>>>>>> translation unit.
>>>>>> > bool IsWarnIfUnused : 1;
>>>>>> >
>>>>>> > - /// \brief Whether this macro info was loaded from an AST file.
>>>>>> > - bool FromASTFile : 1;
>>>>>> > -
>>>>>> > /// \brief Whether this macro was used as header guard.
>>>>>> > bool UsedForHeaderGuard : 1;
>>>>>> >
>>>>>> > @@ -264,34 +261,16 @@ public:
>>>>>> > IsDisabled = true;
>>>>>> > }
>>>>>> >
>>>>>> > - /// \brief Determine whether this macro info came from an AST
>>>>>> file (such as
>>>>>> > - /// a precompiled header or module) rather than having been
>>>>>> parsed.
>>>>>> > - bool isFromASTFile() const { return FromASTFile; }
>>>>>> > -
>>>>>> > /// \brief Determine whether this macro was used for a header
>>>>>> guard.
>>>>>> > bool isUsedForHeaderGuard() const { return UsedForHeaderGuard; }
>>>>>> >
>>>>>> > void setUsedForHeaderGuard(bool Val) { UsedForHeaderGuard = Val; }
>>>>>> >
>>>>>> > - /// \brief Retrieve the global ID of the module that owns this
>>>>>> particular
>>>>>> > - /// macro info.
>>>>>> > - unsigned getOwningModuleID() const {
>>>>>> > - if (isFromASTFile())
>>>>>> > - return *(const unsigned *)(this + 1);
>>>>>> > -
>>>>>> > - return 0;
>>>>>> > - }
>>>>>> > -
>>>>>> > void dump() const;
>>>>>> >
>>>>>> > private:
>>>>>> > unsigned getDefinitionLengthSlow(const SourceManager &SM) const;
>>>>>> >
>>>>>> > - void setOwningModuleID(unsigned ID) {
>>>>>> > - assert(isFromASTFile());
>>>>>> > - *(unsigned *)(this + 1) = ID;
>>>>>> > - }
>>>>>> > -
>>>>>> > friend class Preprocessor;
>>>>>> > };
>>>>>> >
>>>>>> >
>>>>>> > Modified: cfe/trunk/include/clang/Lex/Preprocessor.h
>>>>>> > URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/
>>>>>> clang/Lex/Preprocessor.h?rev=302966&r1=302965&r2=302966&view=diff
>>>>>> > ============================================================
>>>>>> ==================
>>>>>> > --- cfe/trunk/include/clang/Lex/Preprocessor.h (original)
>>>>>> > +++ cfe/trunk/include/clang/Lex/Preprocessor.h Fri May 12 18:40:52
>>>>>> 2017
>>>>>> > @@ -644,14 +644,6 @@ class Preprocessor {
>>>>>> > /// of that list.
>>>>>> > MacroInfoChain *MIChainHead;
>>>>>> >
>>>>>> > - struct DeserializedMacroInfoChain {
>>>>>> > - MacroInfo MI;
>>>>>> > - unsigned OwningModuleID; // MUST be immediately after the
>>>>>> MacroInfo object
>>>>>> > - // so it can be accessed by
>>>>>> MacroInfo::getOwningModuleID().
>>>>>> > - DeserializedMacroInfoChain *Next;
>>>>>> > - };
>>>>>> > - DeserializedMacroInfoChain *DeserialMIChainHead;
>>>>>> > -
>>>>>> > void updateOutOfDateIdentifier(IdentifierInfo &II) const;
>>>>>> >
>>>>>> > public:
>>>>>> > @@ -1669,10 +1661,6 @@ public:
>>>>>> > /// \brief Allocate a new MacroInfo object with the provided
>>>>>> SourceLocation.
>>>>>> > MacroInfo *AllocateMacroInfo(SourceLocation L);
>>>>>> >
>>>>>> > - /// \brief Allocate a new MacroInfo object loaded from an AST
>>>>>> file.
>>>>>> > - MacroInfo *AllocateDeserializedMacroInfo(SourceLocation L,
>>>>>> > - unsigned SubModuleID);
>>>>>> > -
>>>>>> > /// \brief Turn the specified lexer token into a fully checked
>>>>>> and spelled
>>>>>> > /// filename, e.g. as an operand of \#include.
>>>>>> > ///
>>>>>> > @@ -1764,9 +1752,6 @@ private:
>>>>>> > /// macro name.
>>>>>> > void updateModuleMacroInfo(const IdentifierInfo *II,
>>>>>> ModuleMacroInfo &Info);
>>>>>> >
>>>>>> > - /// \brief Allocate a new MacroInfo object.
>>>>>> > - MacroInfo *AllocateMacroInfo();
>>>>>> > -
>>>>>> > DefMacroDirective *AllocateDefMacroDirective(MacroInfo *MI,
>>>>>> > SourceLocation Loc);
>>>>>> > UndefMacroDirective *AllocateUndefMacroDirective(SourceLocation
>>>>>> UndefLoc);
>>>>>> >
>>>>>> > Modified: cfe/trunk/lib/Lex/MacroInfo.cpp
>>>>>> > URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Lex/
>>>>>> MacroInfo.cpp?rev=302966&r1=302965&r2=302966&view=diff
>>>>>> > ============================================================
>>>>>> ==================
>>>>>> > --- cfe/trunk/lib/Lex/MacroInfo.cpp (original)
>>>>>> > +++ cfe/trunk/lib/Lex/MacroInfo.cpp Fri May 12 18:40:52 2017
>>>>>> > @@ -29,7 +29,6 @@ MacroInfo::MacroInfo(SourceLocation DefL
>>>>>> > IsUsed(false),
>>>>>> > IsAllowRedefinitionsWithoutWarning(false),
>>>>>> > IsWarnIfUnused(false),
>>>>>> > - FromASTFile(false),
>>>>>> > UsedForHeaderGuard(false) {
>>>>>> > }
>>>>>> >
>>>>>> > @@ -137,7 +136,6 @@ LLVM_DUMP_METHOD void MacroInfo::dump()
>>>>>> > if (IsAllowRedefinitionsWithoutWarning)
>>>>>> > Out << " allow_redefinitions_without_warning";
>>>>>> > if (IsWarnIfUnused) Out << " warn_if_unused";
>>>>>> > - if (FromASTFile) Out << " imported";
>>>>>> > if (UsedForHeaderGuard) Out << " header_guard";
>>>>>> >
>>>>>> > Out << "\n #define <macro>";
>>>>>> >
>>>>>> > Modified: cfe/trunk/lib/Lex/PPDirectives.cpp
>>>>>> > URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Lex/
>>>>>> PPDirectives.cpp?rev=302966&r1=302965&r2=302966&view=diff
>>>>>> > ============================================================
>>>>>> ==================
>>>>>> > --- cfe/trunk/lib/Lex/PPDirectives.cpp (original)
>>>>>> > +++ cfe/trunk/lib/Lex/PPDirectives.cpp Fri May 12 18:40:52 2017
>>>>>> > @@ -54,35 +54,12 @@ using namespace clang;
>>>>>> > // Utility Methods for Preprocessor Directive Handling.
>>>>>> > //===-------------------------------------------------------
>>>>>> ---------------===//
>>>>>> >
>>>>>> > -MacroInfo *Preprocessor::AllocateMacroInfo() {
>>>>>> > - MacroInfoChain *MIChain = BP.Allocate<MacroInfoChain>();
>>>>>> > - MIChain->Next = MIChainHead;
>>>>>> > +MacroInfo *Preprocessor::AllocateMacroInfo(SourceLocation L) {
>>>>>> > + auto *MIChain = new (BP) MacroInfoChain{L, MIChainHead};
>>>>>> > MIChainHead = MIChain;
>>>>>> > return &MIChain->MI;
>>>>>> > }
>>>>>> >
>>>>>> > -MacroInfo *Preprocessor::AllocateMacroInfo(SourceLocation L) {
>>>>>> > - MacroInfo *MI = AllocateMacroInfo();
>>>>>> > - new (MI) MacroInfo(L);
>>>>>> > - return MI;
>>>>>> > -}
>>>>>> > -
>>>>>> > -MacroInfo *Preprocessor::AllocateDeserializedMacroInfo(SourceLocation
>>>>>> L,
>>>>>> > - unsigned
>>>>>> SubModuleID) {
>>>>>> > - static_assert(alignof(MacroInfo) >= sizeof(SubModuleID),
>>>>>> > - "alignment for MacroInfo is less than the ID");
>>>>>> > - DeserializedMacroInfoChain *MIChain =
>>>>>> > - BP.Allocate<DeserializedMacroInfoChain>();
>>>>>> > - MIChain->Next = DeserialMIChainHead;
>>>>>> > - DeserialMIChainHead = MIChain;
>>>>>> > -
>>>>>> > - MacroInfo *MI = &MIChain->MI;
>>>>>> > - new (MI) MacroInfo(L);
>>>>>> > - MI->FromASTFile = true;
>>>>>> > - MI->setOwningModuleID(SubModuleID);
>>>>>> > - return MI;
>>>>>> > -}
>>>>>> > -
>>>>>> > DefMacroDirective *Preprocessor::AllocateDefMacroDirective(MacroInfo
>>>>>> *MI,
>>>>>> >
>>>>>> SourceLocation Loc) {
>>>>>> > return new (BP) DefMacroDirective(MI, Loc);
>>>>>> >
>>>>>> > Modified: cfe/trunk/lib/Lex/Preprocessor.cpp
>>>>>> > URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Lex/
>>>>>> Preprocessor.cpp?rev=302966&r1=302965&r2=302966&view=diff
>>>>>> > ============================================================
>>>>>> ==================
>>>>>> > --- cfe/trunk/lib/Lex/Preprocessor.cpp (original)
>>>>>> > +++ cfe/trunk/lib/Lex/Preprocessor.cpp Fri May 12 18:40:52 2017
>>>>>> > @@ -88,7 +88,7 @@ Preprocessor::Preprocessor(std::shared_p
>>>>>> > CurDirLookup(nullptr), CurLexerKind(CLK_Lexer),
>>>>>> > CurLexerSubmodule(nullptr), Callbacks(nullptr),
>>>>>> > CurSubmoduleState(&NullSubmoduleState),
>>>>>> MacroArgCache(nullptr),
>>>>>> > - Record(nullptr), MIChainHead(nullptr),
>>>>>> DeserialMIChainHead(nullptr) {
>>>>>> > + Record(nullptr), MIChainHead(nullptr) {
>>>>>> > OwnsHeaderSearch = OwnsHeaders;
>>>>>> >
>>>>>> > CounterValue = 0; // __COUNTER__ starts at 0.
>>>>>> > @@ -169,11 +169,6 @@ Preprocessor::~Preprocessor() {
>>>>>> > std::fill(TokenLexerCache, TokenLexerCache +
>>>>>> NumCachedTokenLexers, nullptr);
>>>>>> > CurTokenLexer.reset();
>>>>>> >
>>>>>> > - while (DeserializedMacroInfoChain *I = DeserialMIChainHead) {
>>>>>> > - DeserialMIChainHead = I->Next;
>>>>>> > - I->~DeserializedMacroInfoChain();
>>>>>> > - }
>>>>>> > -
>>>>>> > // Free any cached MacroArgs.
>>>>>> > for (MacroArgs *ArgList = MacroArgCache; ArgList;)
>>>>>> > ArgList = ArgList->deallocate();
>>>>>> >
>>>>>> > Modified: cfe/trunk/lib/Serialization/ASTReader.cpp
>>>>>> > URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/
>>>>>> Serialization/ASTReader.cpp?rev=302966&r1=302965&r2=302966&view=diff
>>>>>> > ============================================================
>>>>>> ==================
>>>>>> > --- cfe/trunk/lib/Serialization/ASTReader.cpp (original)
>>>>>> > +++ cfe/trunk/lib/Serialization/ASTReader.cpp Fri May 12 18:40:52
>>>>>> 2017
>>>>>> > @@ -1534,9 +1534,8 @@ MacroInfo *ASTReader::ReadMacroRecord(Mo
>>>>>> > return Macro;
>>>>>> >
>>>>>> > unsigned NextIndex = 1; // Skip identifier ID.
>>>>>> > - SubmoduleID SubModID = getGlobalSubmoduleID(F,
>>>>>> Record[NextIndex++]);
>>>>>> > SourceLocation Loc = ReadSourceLocation(F, Record, NextIndex);
>>>>>> > - MacroInfo *MI = PP.AllocateDeserializedMacroInfo(Loc,
>>>>>> SubModID);
>>>>>> > + MacroInfo *MI = PP.AllocateMacroInfo(Loc);
>>>>>> > MI->setDefinitionEndLoc(ReadSourceLocation(F, Record,
>>>>>> NextIndex));
>>>>>> > MI->setIsUsed(Record[NextIndex++]);
>>>>>> > MI->setUsedForHeaderGuard(Record[NextIndex++]);
>>>>>> >
>>>>>> > Modified: cfe/trunk/lib/Serialization/ASTWriter.cpp
>>>>>> > URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/
>>>>>> Serialization/ASTWriter.cpp?rev=302966&r1=302965&r2=302966&view=diff
>>>>>> > ============================================================
>>>>>> ==================
>>>>>> > --- cfe/trunk/lib/Serialization/ASTWriter.cpp (original)
>>>>>> > +++ cfe/trunk/lib/Serialization/ASTWriter.cpp Fri May 12 18:40:52
>>>>>> 2017
>>>>>> > @@ -2413,7 +2413,6 @@ void ASTWriter::WritePreprocessor(const
>>>>>> > }
>>>>>> >
>>>>>> > AddIdentifierRef(Name, Record);
>>>>>> > - Record.push_back(inferSubmoduleIDFromLocation(
>>>>>> MI->getDefinitionLoc()));
>>>>>> > AddSourceLocation(MI->getDefinitionLoc(), Record);
>>>>>> > AddSourceLocation(MI->getDefinitionEndLoc(), Record);
>>>>>> > Record.push_back(MI->isUsed());
>>>>>> >
>>>>>> >
>>>>>> > _______________________________________________
>>>>>> > cfe-commits mailing list
>>>>>> > cfe-commits at lists.llvm.org
>>>>>> > http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
>>>>>>
>>>>>> _______________________________________________
>>>>>> cfe-commits mailing list
>>>>>> cfe-commits at lists.llvm.org
>>>>>> http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
>>>>>>
>>>>>
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