[LLVMbugs] [Bug 11339] New: clang++ crashes on explicit destructor call with incorrect class-name (in function template)
bugzilla-daemon at llvm.org
bugzilla-daemon at llvm.org
Tue Nov 8 11:47:05 PST 2011
http://llvm.org/bugs/show_bug.cgi?id=11339
Bug #: 11339
Summary: clang++ crashes on explicit destructor call with
incorrect class-name (in function template)
Product: clang
Version: unspecified
Platform: Macintosh
OS/Version: MacOS X
Status: NEW
Severity: normal
Priority: P
Component: C++
AssignedTo: unassignedclangbugs at nondot.org
ReportedBy: olov.lassus at gmail.com
CC: dgregor at apple.com, llvmbugs at cs.uiuc.edu
Classification: Unclassified
~/projects/c++ % clang -v
Apple clang version 2.1 (tags/Apple/clang-163.7.1) (based on LLVM 3.0svn)
Target: x86_64-apple-darwin11.2.0
Thread model: posix
~/projects/c++ % cat clang_crash.cc
template<class T>
void destroy(T* p) {
p->~T(); // ok
p->~oops(); // clang++ should error, not crash
}
int main() {
destroy(new int);
return 0;
}
~/projects/c++ % clang++ clang_crash.cc
0 clang 0x000000010fd93912 _ZL15PrintStackTracePv + 34
1 clang 0x000000010fd93dd9 _ZL13SignalHandleri + 601
2 libsystem_c.dylib 0x00007fff93657cfa _sigtramp + 26
3 libsystem_c.dylib 0x00007fff6ecb6be0 _sigtramp + 18446744073095474944
4 clang 0x000000010f482956 clang::TreeTransform<(anonymous
namespace)::TemplateInstantiator>::TransformCallExpr(clang::CallExpr*) + 38
5 clang 0x000000010f477775 clang::TreeTransform<(anonymous
namespace)::TemplateInstantiator>::TransformExpr(clang::Expr*) + 10645
6 clang 0x000000010f474b8c clang::TreeTransform<(anonymous
namespace)::TemplateInstantiator>::TransformStmt(clang::Stmt*) + 7612
7 clang 0x000000010f481fd7 clang::TreeTransform<(anonymous
namespace)::TemplateInstantiator>::TransformCompoundStmt(clang::CompoundStmt*,
bool) + 199
8 clang 0x000000010f473864 clang::TreeTransform<(anonymous
namespace)::TemplateInstantiator>::TransformStmt(clang::Stmt*) + 2708
9 clang 0x000000010f472dbd clang::Sema::SubstStmt(clang::Stmt*,
clang::MultiLevelTemplateArgumentList const&) + 45
10 clang 0x000000010f48c27f
clang::Sema::InstantiateFunctionDefinition(clang::SourceLocation,
clang::FunctionDecl*, bool, bool) + 2015
11 clang 0x000000010f48cea6
clang::Sema::PerformPendingInstantiations(bool) + 150
12 clang 0x000000010f2d211c
clang::Sema::ActOnEndOfTranslationUnit() + 236
13 clang 0x000000010f2bea39
clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&) + 105
14 clang 0x000000010f2855dd clang::ParseAST(clang::Sema&, bool) +
317
15 clang 0x000000010f269433 clang::CodeGenAction::ExecuteAction() +
675
16 clang 0x000000010f0e315a
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) + 842
17 clang 0x000000010f0c379a
clang::ExecuteCompilerInvocation(clang::CompilerInstance*) + 2554
18 clang 0x000000010f0bc59b cc1_main(char const**, char const**,
char const*, void*) + 5211
19 clang 0x000000010f0bff06 main + 662
20 clang 0x000000010f0bb134 start + 52
Stack dump:
0. Program arguments: /usr/bin/clang -cc1 -triple x86_64-apple-macosx10.7.2
-emit-obj -mrelax-all -disable-free -disable-llvm-verifier -main-file-name
clang_crash.cc -pic-level 1 -mdisable-fp-elim -relaxed-aliasing -masm-verbose
-munwind-tables -target-cpu core2 -target-linker-version 123.2.1 -resource-dir
/usr/bin/../lib/clang/2.1 -fdeprecated-macro -ferror-limit 19 -fmessage-length
171 -stack-protector 1 -fblocks -fcxx-exceptions -fexceptions
-fdiagnostics-show-option -fcolor-diagnostics -o
/var/folders/7x/z7mjr6y92tv9m6qkv6wb4hdh0000gn/T/cc-HRMAwq.o -x c++
clang_crash.cc
1. <eof> parser at end of file
2. clang_crash.cc:2:6: instantiating function definition 'destroy'
clang: error: unable to execute command: Segmentation fault: 11
clang: error: clang frontend command failed due to signal 1 (use -v to see
invocation)
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