[LLVMbugs] [Bug 13984] New: [microsoft] clang crashes while trying to print an error message about mangling

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=13984

             Bug #: 13984
           Summary: [microsoft] clang crashes while trying to print an
                    error message about mangling
           Product: clang
           Version: unspecified
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: C++
        AssignedTo: unassignedclangbugs at nondot.org
        ReportedBy: nicolasweber at gmx.de
                CC: dgregor at apple.com, llvmbugs at cs.uiuc.edu
    Classification: Unclassified


Run

  clang -cc1 -triple i686-pc-win -S  -fms-extensions   -cxx-abi microsoft 
test/CodeGenCXX/mangle-ms-uuidof.cpp 

Expected: Prints "Cannot mangle this yet"
Actual: Crash.

Looks related to r160667.

Nicos-MacBook-Pro:clang thakis$
~/src/chrome/src/third_party/llvm-build/Release+Asserts/bin/clang -cc1 -triple
i686-pc-win -S  -fms-extensions   -cxx-abi microsoft 
test/CodeGenCXX/mangle-ms-uuidof.cpp 
0  clang             0x000000010166c525 PrintStackTrace(void*) + 37
1  clang             0x000000010166c8e4 SignalHandler(int) + 500
2  libsystem_c.dylib 0x00007fff8ef8e8ea _sigtramp + 26
3  libsystem_c.dylib 0x000000010285ca00 _sigtramp + 18446603342454776112
4  clang             0x0000000100ac9515
clang::TemplateArgumentLoc::getSourceRange() const + 53
5  clang             0x0000000100a94228 (anonymous
namespace)::MicrosoftCXXNameMangler::mangleTemplateArgs(llvm::SmallVectorImpl<clang::TemplateArgumentLoc>
const&) + 200
6  clang             0x0000000100a93156 (anonymous
namespace)::MicrosoftCXXNameMangler::mangleUnqualifiedName(clang::NamedDecl
const*, clang::DeclarationName) + 2678
7  clang             0x0000000100a92e8e (anonymous
namespace)::MicrosoftCXXNameMangler::mangleUnqualifiedName(clang::NamedDecl
const*, clang::DeclarationName) + 1966
8  clang             0x0000000100a92553 (anonymous
namespace)::MicrosoftCXXNameMangler::manglePostfix(clang::DeclContext const*,
bool) + 227
9  clang             0x0000000100a8f8be (anonymous
namespace)::MicrosoftCXXNameMangler::mangleName(clang::NamedDecl const*) + 126
10 clang             0x0000000100a8ee84 (anonymous
namespace)::MicrosoftCXXNameMangler::mangle(clang::NamedDecl const*,
llvm::StringRef) + 340
11 clang             0x0000000100a8e6ab (anonymous
namespace)::MicrosoftMangleContext::mangleName(clang::NamedDecl const*,
llvm::raw_ostream&) + 251
12 clang             0x00000001002c3f95
clang::CodeGen::CodeGenModule::getMangledName(clang::GlobalDecl) + 773
13 clang             0x00000001002c8822
clang::CodeGen::CodeGenModule::GetAddrOfFunction(clang::GlobalDecl,
llvm::Type*, bool) + 82
14 clang             0x0000000100245595
clang::CodeGen::CodeGenFunction::EmitCXXMemberCallExpr(clang::CXXMemberCallExpr
const*, clang::CodeGen::ReturnValueSlot) + 2549
15 clang             0x0000000100239e94
clang::CodeGen::CodeGenFunction::EmitCallExpr(clang::CallExpr const*,
clang::CodeGen::ReturnValueSlot) + 676
16 clang             0x0000000100263114 (anonymous
namespace)::ScalarExprEmitter::VisitCallExpr(clang::CallExpr const*) + 132
17 clang             0x000000010025d849 clang::StmtVisitorBase<clang::make_ptr,
(anonymous namespace)::ScalarExprEmitter, llvm::Value*>::Visit(clang::Stmt*) +
473
18 clang             0x0000000100258590
clang::CodeGen::CodeGenFunction::EmitScalarExpr(clang::Expr const*, bool) + 96
19 clang             0x000000010022c839
clang::CodeGen::CodeGenFunction::EmitAnyExpr(clang::Expr const*,
clang::CodeGen::AggValueSlot, bool) + 169
20 clang             0x000000010022c78a
clang::CodeGen::CodeGenFunction::EmitIgnoredExpr(clang::Expr const*) + 58
21 clang             0x00000001002ad35d
clang::CodeGen::CodeGenFunction::EmitStmt(clang::Stmt const*) + 381
22 clang             0x00000001002b227b
clang::CodeGen::CodeGenFunction::EmitCompoundStmt(clang::CompoundStmt const&,
bool, clang::CodeGen::AggValueSlot) + 251
23 clang             0x00000001002ad809
clang::CodeGen::CodeGenFunction::EmitSimpleStmt(clang::Stmt const*) + 185
24 clang             0x00000001002ad209
clang::CodeGen::CodeGenFunction::EmitStmt(clang::Stmt const*) + 41
25 clang             0x00000001002bec51
clang::CodeGen::CodeGenFunction::GenerateCode(clang::GlobalDecl,
llvm::Function*, clang::CodeGen::CGFunctionInfo const&) + 913
26 clang             0x00000001002c7c5d
clang::CodeGen::CodeGenModule::EmitGlobalFunctionDefinition(clang::GlobalDecl)
+ 2109
27 clang             0x00000001002c5229
clang::CodeGen::CodeGenModule::EmitGlobalDefinition(clang::GlobalDecl) + 249
28 clang             0x00000001002c6977
clang::CodeGen::CodeGenModule::EmitGlobal(clang::GlobalDecl) + 1463
29 clang             0x00000001002cca72
clang::CodeGen::CodeGenModule::EmitTopLevelDecl(clang::Decl*) + 882
30 clang             0x00000001002e6d3f (anonymous
namespace)::CodeGeneratorImpl::HandleTopLevelDecl(clang::DeclGroupRef) + 95
31 clang             0x00000001002bb708
clang::BackendConsumer::HandleTopLevelDecl(clang::DeclGroupRef) + 168
32 clang             0x00000001002f32d3 clang::ParseAST(clang::Sema&, bool,
bool) + 419
33 clang             0x00000001002ba6dc clang::CodeGenAction::ExecuteAction() +
460
34 clang             0x00000001000bdd68 clang::FrontendAction::Execute() + 104
35 clang             0x000000010009210c
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) + 956
36 clang             0x000000010005b7b7
clang::ExecuteCompilerInvocation(clang::CompilerInstance*) + 3463
37 clang             0x0000000100051bbd cc1_main(char const**, char const**,
char const*, void*) + 749
38 clang             0x000000010005805e main + 3134
39 clang             0x00000001000518a4 start + 52

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