clang segmentation fault with -Wshadow #9532
Description
| Bugzilla Link | 9160 |
| Resolution | FIXED |
| Resolved on | Feb 08, 2011 13:13 |
| Version | trunk |
| OS | MacOS X |
| Reporter | LLVM Bugzilla Contributor |
| CC | @akyrtzi,@tkremenek |
Extended Description
clang version 2.9 (trunk 125005)
Target: x86_64-apple-darwin10
Thread model: posix
clang segfaults when the shadow warning is activated (-Wshadow), it does not crash without this warning:
0 clang 0x0000000101524032 PrintStackTrace(void*) + 34
1 clang 0x0000000101524e83 SignalHandler(int) + 707
2 libSystem.B.dylib 0x00007fff847b767a _sigtramp + 26
3 libSystem.B.dylib 0x00000000002c5db0 _sigtramp + 2075191120
4 clang 0x00000001003d1047 clang::Sema::ActOnVariableDeclarator(clang::Scope*, clang::Declarator&, clang::DeclContext*, clang::QualType, clang::TypeSourceInfo*, clang::LookupResult&, clang::ASTMultiPtrclang::TemplateParameterList*, bool&) + 2887
5 clang 0x00000001003d7fc4 clang::Sema::HandleDeclarator(clang::Scope*, clang::Declarator&, clang::ASTMultiPtrclang::TemplateParameterList*, bool) + 1492
6 clang 0x00000001002e8b21 clang::Parser::ParseDeclarationAfterDeclarator(clang::Declarator&, clang::Parser::ParsedTemplateInfo const&) + 1649
7 clang 0x00000001002ec129 clang::Parser::ParseDeclGroup(clang::Parser::ParsingDeclSpec&, unsigned int, bool, clang::SourceLocation*) + 761
8 clang 0x00000001002f5235 clang::Parser::ParseSimpleDeclaration(clang::ASTOwningVector<clang::Stmt*, 32u>&, unsigned int, clang::SourceLocation&, clang::ParsedAttributes&, bool) + 853
9 clang 0x00000001002f5339 clang::Parser::ParseDeclaration(clang::ASTOwningVector<clang::Stmt*, 32u>&, unsigned int, clang::SourceLocation&, clang::Parser::ParsedAttributesWithRange&) + 105
10 clang 0x00000001003250b6 clang::Parser::ParseStatementOrDeclaration(clang::ASTOwningVector<clang::Stmt*, 32u>&, bool) + 1910
11 clang 0x000000010032534e clang::Parser::ParseCompoundStatementBody(bool) + 446
12 clang 0x0000000100324df6 clang::Parser::ParseStatementOrDeclaration(clang::ASTOwningVector<clang::Stmt*, 32u>&, bool) + 1206
13 clang 0x000000010032812c clang::Parser::ParseIfStatement(clang::ParsedAttributes&) + 876
14 clang 0x0000000100324e3c clang::Parser::ParseStatementOrDeclaration(clang::ASTOwningVector<clang::Stmt*, 32u>&, bool) + 1276
15 clang 0x000000010032534e clang::Parser::ParseCompoundStatementBody(bool) + 446
16 clang 0x000000010032611a clang::Parser::ParseCXXTryBlockCommon(clang::SourceLocation) + 154
17 clang 0x0000000100324cf3 clang::Parser::ParseStatementOrDeclaration(clang::ASTOwningVector<clang::Stmt*, 32u>&, bool) + 947
18 clang 0x000000010032534e clang::Parser::ParseCompoundStatementBody(bool) + 446
19 clang 0x0000000100325817 clang::Parser::ParseFunctionStatementBody(clang::Decl*) + 135
20 clang 0x0000000100339f08 clang::Parser::ParseFunctionDefinition(clang::Parser::ParsingDeclarator&, clang::Parser::ParsedTemplateInfo const&) + 696
21 clang 0x00000001002ec556 clang::Parser::ParseDeclGroup(clang::Parser::ParsingDeclSpec&, unsigned int, bool, clang::SourceLocation*) + 1830
22 clang 0x0000000100337515 clang::Parser::ParseDeclarationOrFunctionDefinition(clang::Parser::ParsingDeclSpec&, clang::AccessSpecifier) + 165
23 clang 0x0000000100337957 clang::Parser::ParseDeclarationOrFunctionDefinition(clang::ParsedAttributes&, clang::AccessSpecifier) + 407
24 clang 0x0000000100338c23 clang::Parser::ParseExternalDeclaration(clang::Parser::ParsedAttributesWithRange&, clang::Parser::ParsingDeclSpec*) + 2787
25 clang 0x00000001002fb97f clang::Parser::ParseNamespace(unsigned int, clang::SourceLocation&, clang::SourceLocation) + 1887
26 clang 0x00000001002f5624 clang::Parser::ParseDeclaration(clang::ASTOwningVector<clang::Stmt*, 32u>&, unsigned int, clang::SourceLocation&, clang::Parser::ParsedAttributesWithRange&) + 852
27 clang 0x0000000100338b43 clang::Parser::ParseExternalDeclaration(clang::Parser::ParsedAttributesWithRange&, clang::Parser::ParsingDeclSpec*) + 2563
28 clang 0x0000000100338e73 clang::Parser::ParseTopLevelDecl(clang::OpaquePtrclang::DeclGroupRef&) + 115
29 clang 0x00000001002e2c2f clang::ParseAST(clang::Sema&, bool) + 159
30 clang 0x00000001002b36cc clang::CodeGenAction::ExecuteAction() + 60
31 clang 0x0000000100053a99 clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) + 393
32 clang 0x00000001000249c2 clang::ExecuteCompilerInvocation(clang::CompilerInstance*) + 1602
33 clang 0x000000010001c63a cc1_main(char const**, char const**, char const*, void*) + 586
34 clang 0x00000001000239f4 main + 5588
35 clang 0x000000010001af34 start + 52
Stack dump:
0. Program arguments: /Users/ritter/Temp/llvm/Release+Asserts/bin/clang -cc1 -triple x86_64-apple-darwin10.0.0 -emit-obj -mrelax-all -disable-free -main-file-name ML_mlSubImageBoxd.ii -pic-level 1 -mdisable-fp-elim -masm-verbose -munwind-tables -target-cpu core2 -target-linker-version 97.17 -resource-dir /Users/ritter/Temp/llvm/Release+Asserts/bin/../lib/clang/2.9 -Wshadow -ferror-limit 19 -fmessage-length 80 -stack-protector 1 -fblocks -fexceptions -fdiagnostics-show-option -fcolor-diagnostics -o ML_mlSubImageBoxd.o -x c++-cpp-output ML_mlSubImageBoxd.ii
- source/mlSubImageBoxd.cpp:65:19: current parser token '('
- source/mlSubImageBoxd.cpp:16:1: parsing namespace 'ml'
- source/mlSubImageBoxd.cpp:46:3: parsing function body 'calcAATransformedBox'
- source/mlSubImageBoxd.cpp:46:3: in compound statement ('{}')
- source/mlSubImageBoxd.cpp:49:5: in compound statement ('{}')
- source/mlSubImageBoxd.cpp:53:11: in compound statement ('{}')
clang: error: unable to execute command: Segmentation fault
clang: error: clang frontend command failed due to signal 1 (use -v to see invocation)