[llvm-bugs] [Bug 31584] New: clang crash in clang::Expr::EvaluateAsInitializer

via llvm-bugs llvm-bugs at lists.llvm.org
Mon Jan 9 11:21:07 PST 2017


https://llvm.org/bugs/show_bug.cgi?id=31584

            Bug ID: 31584
           Summary: clang crash in clang::Expr::EvaluateAsInitializer
           Product: new-bugs
           Version: unspecified
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: yaron.keren at gmail.com
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

$ cat file2.cpp
template <class f> void f : g() { f coordinates const bool e(coordinates); }

$ clang -c file2.cpp
file2.cpp:1:27: error: unexpected ':' in nested name specifier; did you mean
'::'?
template <class f> void f : g() { f coordinates const bool e(coordinates); }
                          ^
                          ::
file2.cpp:1:29: error: nested name specifier 'f::' for declaration does not
refer into a class, class template or class template partial
      specialization
template <class f> void f : g() { f coordinates const bool e(coordinates); }
                        ~~~ ^
file2.cpp:1:48: error: expected ';' at end of declaration
template <class f> void f : g() { f coordinates const bool e(coordinates); }
                                               ^
                                               ;
#0 0x0000000001724335 llvm::sys::PrintStackTrace(llvm::raw_ostream&)
(/usr/local/bin/clang-4.0+0x1724335)
#1 0x0000000001724986 SignalHandler(int) (/usr/local/bin/clang-4.0+0x1724986)
#2 0x00007f0d5153d390 __restore_rt
(/lib/x86_64-linux-gnu/libpthread.so.0+0x11390)
#3 0x0000000002c38a7c clang::Expr::EvaluateAsInitializer(clang::APValue&,
clang::ASTContext const&, clang::VarDecl const*,
llvm::SmallVectorImpl<std::pair<clang::SourceLocation,
clang::PartialDiagnostic> >&) const (/usr/local/bin/clang-4.0+0x2c38a7c)
#4 0x0000000002be9e94
clang::VarDecl::evaluateValue(llvm::SmallVectorImpl<std::pair<clang::SourceLocation,
clang::PartialDiagnostic> >&) const (/usr/local/bin/clang-4.0+0x2be9e94)
#5 0x0000000002be9e20 clang::VarDecl::evaluateValue() const
(/usr/local/bin/clang-4.0+0x2be9e20)
#6 0x0000000002b5bfa6 clang::ASTContext::DeclMustBeEmitted(clang::Decl const*)
(/usr/local/bin/clang-4.0+0x2b5bfa6)
#7 0x00000000024d5c72
clang::Sema::CheckCompleteVariableDeclaration(clang::VarDecl*)
(/usr/local/bin/clang-4.0+0x24d5c72)
#8 0x00000000024d490e clang::Sema::AddInitializerToDecl(clang::Decl*,
clang::Expr*, bool, bool) (/usr/local/bin/clang-4.0+0x24d490e)
#9 0x0000000002221d66
clang::Parser::ParseDeclarationAfterDeclaratorAndAttributes(clang::Declarator&,
clang::Parser::ParsedTemplateInfo const&, clang::Parser::ForRangeInit*)
(/usr/local/bin/clang-4.0+0x2221d66)
#10 0x000000000221ff7e clang::Parser::ParseDeclGroup(clang::ParsingDeclSpec&,
unsigned int, clang::SourceLocation*, clang::Parser::ForRangeInit*)
(/usr/local/bin/clang-4.0+0x221ff7e)
#11 0x000000000221c7da clang::Parser::ParseSimpleDeclaration(unsigned int,
clang::SourceLocation&, clang::Parser::ParsedAttributesWithRange&, bool,
clang::Parser::ForRangeInit*) (/usr/local/bin/clang-4.0+0x221c7da)
#12 0x000000000221c3a7 clang::Parser::ParseDeclaration(unsigned int,
clang::SourceLocation&, clang::Parser::ParsedAttributesWithRange&)
(/usr/local/bin/clang-4.0+0x221c3a7)
#13 0x000000000227e343
clang::Parser::ParseStatementOrDeclarationAfterAttributes(llvm::SmallVector<clang::Stmt*,
32u>&, clang::Parser::AllowedContsructsKind, clang::SourceLocation*,
clang::Parser::ParsedAttributesWithRange&) (/usr/local/bin/clang-4.0+0x227e343)
#14 0x000000000227df69
clang::Parser::ParseStatementOrDeclaration(llvm::SmallVector<clang::Stmt*,
32u>&, clang::Parser::AllowedContsructsKind, clang::SourceLocation*)
(/usr/local/bin/clang-4.0+0x227df69)
#15 0x000000000228449a clang::Parser::ParseCompoundStatementBody(bool)
(/usr/local/bin/clang-4.0+0x228449a)
#16 0x0000000002284db6 clang::Parser::ParseFunctionStatementBody(clang::Decl*,
clang::Parser::ParseScope&) (/usr/local/bin/clang-4.0+0x2284db6)
#17 0x000000000220cca4
clang::Parser::ParseFunctionDefinition(clang::ParsingDeclarator&,
clang::Parser::ParsedTemplateInfo const&, clang::Parser::LateParsedAttrList*)
(/usr/local/bin/clang-4.0+0x220cca4)
#18 0x000000000228b61e
clang::Parser::ParseSingleDeclarationAfterTemplate(unsigned int,
clang::Parser::ParsedTemplateInfo const&, clang::ParsingDeclRAIIObject&,
clang::SourceLocation&, clang::AccessSpecifier, clang::AttributeList*)
(/usr/local/bin/clang-4.0+0x228b61e)
#19 0x000000000228a3bb
clang::Parser::ParseTemplateDeclarationOrSpecialization(unsigned int,
clang::SourceLocation&, clang::AccessSpecifier, clang::AttributeList*)
(/usr/local/bin/clang-4.0+0x228a3bb)
#20 0x0000000002289dc6
clang::Parser::ParseDeclarationStartingWithTemplate(unsigned int,
clang::SourceLocation&, clang::AccessSpecifier, clang::AttributeList*)
(/usr/local/bin/clang-4.0+0x2289dc6)
#21 0x000000000221c2a9 clang::Parser::ParseDeclaration(unsigned int,
clang::SourceLocation&, clang::Parser::ParsedAttributesWithRange&)
(/usr/local/bin/clang-4.0+0x221c2a9)
#22 0x000000000220a566
clang::Parser::ParseExternalDeclaration(clang::Parser::ParsedAttributesWithRange&,
clang::ParsingDeclSpec*) (/usr/local/bin/clang-4.0+0x220a566)
#23 0x000000000220a1b7
clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&)
(/usr/local/bin/clang-4.0+0x220a1b7)
#24 0x0000000002209c19
clang::Parser::ParseFirstTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&)
(/usr/local/bin/clang-4.0+0x2209c19)
#25 0x0000000002206ab5 clang::ParseAST(clang::Sema&, bool, bool)
(/usr/local/bin/clang-4.0+0x2206ab5)
#26 0x0000000001b8a42f clang::FrontendAction::Execute()
(/usr/local/bin/clang-4.0+0x1b8a42f)
#27 0x0000000001b54828
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&)
(/usr/local/bin/clang-4.0+0x1b54828)
#28 0x0000000001c022d3
clang::ExecuteCompilerInvocation(clang::CompilerInstance*)
(/usr/local/bin/clang-4.0+0x1c022d3)
#29 0x00000000007fd70b cc1_main(llvm::ArrayRef<char const*>, char const*,
void*) (/usr/local/bin/clang-4.0+0x7fd70b)
#30 0x00000000007fc184 main (/usr/local/bin/clang-4.0+0x7fc184)
#31 0x00007f0d5008c830 __libc_start_main
/build/glibc-t3gR2i/glibc-2.23/csu/../csu/libc-start.c:325:0
#32 0x00000000007f9649 _start (/usr/local/bin/clang-4.0+0x7f9649)
Stack dump:
0.      Program arguments: /usr/local/bin/clang-4.0 -cc1 -triple
x86_64-unknown-linux-gnu -emit-obj -mrelax-all -disable-free
-disable-llvm-verifier -discard-value-names -main-file-name file2.cpp
-mrelocation-model static -mthread-model posix -mdisable-fp-elim -fmath-errno
-masm-verbose -mconstructor-aliases -munwind-tables -fuse-init-array
-target-cpu x86-64 -dwarf-column-info -debugger-tuning=gdb -coverage-notes-file
/home/ceemple/bug/1679/file2.gcno -resource-dir
/usr/local/bin/../lib/clang/4.0.0 -internal-isystem
/usr/lib/gcc/x86_64-linux-gnu/6.2.0/../../../../include/c++/6.2.0
-internal-isystem
/usr/lib/gcc/x86_64-linux-gnu/6.2.0/../../../../include/x86_64-linux-gnu/c++/6.2.0
-internal-isystem
/usr/lib/gcc/x86_64-linux-gnu/6.2.0/../../../../include/x86_64-linux-gnu/c++/6.2.0
-internal-isystem
/usr/lib/gcc/x86_64-linux-gnu/6.2.0/../../../../include/c++/6.2.0/backward
-internal-isystem /usr/local/include -internal-isystem
/usr/local/bin/../lib/clang/4.0.0/include -internal-externc-isystem
/usr/include/x86_64-linux-gnu -internal-externc-isystem /include
-internal-externc-isystem /usr/include -fdeprecated-macro -ferror-limit 19
-fmessage-length 136 -fobjc-runtime=gcc -fcxx-exceptions -fexceptions
-fdiagnostics-show-option -fcolor-diagnostics -o file2.o -x c++ file2.cpp
1.      file2.cpp:1:74: current parser token ';'
2.      file2.cpp:1:33: parsing function body
3.      file2.cpp:1:33: in compound statement ('{}')
clang-4.0: error: unable to execute command: Segmentation fault (core dumped)
clang-4.0: error: clang frontend command failed due to signal (use -v to see
invocation)
clang version 4.0.0 (trunk 291267)

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