[LLVMbugs] [Bug 11359] New: Crash in simple lambda expression

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=11359

             Bug #: 11359
           Summary: Crash in simple lambda expression
           Product: clang
           Version: unspecified
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: C++0x
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: markus at trippelsdorf.de
                CC: dgregor at apple.com, llvmbugs at cs.uiuc.edu
    Classification: Unclassified


Consider:

 % cat test.ii
int main() {
         []{}();
}

 % clang -cc1 -O0 -std=c++0x -x c++ test.ii
0  clang           0x000000000171f93f
1  clang           0x000000000171fe59
2  libpthread.so.0 0x00007f005f902270
3  clang           0x0000000000a047a4
clang::Sema::MaybeConvertParenListExprToParenExpr(clang::Scope*, clang::Expr*)
+ 20
4  clang           0x00000000009fa6ba clang::Sema::ActOnCallExpr(clang::Scope*,
clang::Expr*, clang::SourceLocation, clang::ASTMultiPtr<clang::Expr*>,
clang::SourceLocation, clang::Expr*, bool) + 42
5  clang           0x00000000008d0891
clang::Parser::ParsePostfixExpressionSuffix(clang::ActionResult<clang::Expr*,
true>) + 1569
6  clang           0x00000000008d31f4 clang::Parser::ParseCastExpression(bool,
bool, bool&, bool) + 8596
7  clang           0x00000000008cf549
clang::Parser::ParseAssignmentExpression() + 121
8  clang           0x00000000008cf4bc clang::Parser::ParseExpression() + 12
9  clang           0x0000000000897b76
clang::Parser::ParseExprStatement(clang::ParsedAttributes&) + 54
10 clang           0x00000000008975d4
clang::Parser::ParseStatementOrDeclaration(clang::ASTOwningVector<clang::Stmt*,
32u>&, bool) + 1844
11 clang           0x000000000089c852
clang::Parser::ParseCompoundStatementBody(bool) + 1218
12 clang           0x000000000089dcfe
clang::Parser::ParseFunctionStatementBody(clang::Decl*,
clang::Parser::ParseScope&) + 174
13 clang           0x00000000008ab02f
clang::Parser::ParseFunctionDefinition(clang::Parser::ParsingDeclarator&,
clang::Parser::ParsedTemplateInfo const&) + 2223
14 clang           0x00000000008b8513
clang::Parser::ParseDeclGroup(clang::Parser::ParsingDeclSpec&, unsigned int,
bool, clang::SourceLocation*, clang::Parser::ForRangeInit*) + 1027
15 clang           0x00000000008aa20a
clang::Parser::ParseDeclarationOrFunctionDefinition(clang::Parser::ParsingDeclSpec&,
clang::AccessSpecifier) + 698
16 clang           0x00000000008aa3ed
clang::Parser::ParseDeclarationOrFunctionDefinition(clang::ParsedAttributes&,
clang::AccessSpecifier) + 397
17 clang           0x00000000008a957f
clang::Parser::ParseExternalDeclaration(clang::Parser::ParsedAttributesWithRange&,
clang::Parser::ParsingDeclSpec*) + 3391
18 clang           0x00000000008a87ce
clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&) + 254
19 clang           0x000000000088bf6e clang::ParseAST(clang::Sema&, bool) + 318
20 clang           0x0000000000653417
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) + 983
21 clang           0x000000000063c000
clang::ExecuteCompilerInvocation(clang::CompilerInstance*) + 2848
22 clang           0x0000000000632f04 cc1_main(char const**, char const**, char
const*, void*) + 5588
23 clang           0x00000000006381d5 main + 757
24 libc.so.6       0x00007f005f12c35d __libc_start_main + 237
25 clang           0x0000000000631849
Stack dump:
0.      Program arguments: clang -cc1 -O0 -std=c++0x -x c++ test.ii 
1.      test.ii:2:15: current parser token ')'
2.      test.ii:1:12: parsing function body 'main'
3.      test.ii:1:12: in compound statement ('{}')
[1]    19416 segmentation fault  clang -cc1 -O0 -std=c++0x -x c++ test.ii

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