[LLVMbugs] [Bug 12689] New: Crash while compiling objective-c-ast-file with multiple switch/case
bugzilla-daemon at llvm.org
bugzilla-daemon at llvm.org
Sat Apr 28 06:13:27 PDT 2012
http://llvm.org/bugs/show_bug.cgi?id=12689
Bug #: 12689
Summary: Crash while compiling objective-c-ast-file with
multiple switch/case
Product: clang
Version: unspecified
Platform: PC
OS/Version: All
Status: NEW
Severity: enhancement
Priority: P
Component: Driver
AssignedTo: unassignedclangbugs at nondot.org
ReportedBy: variadic.template at gmail.com
CC: llvmbugs at cs.uiuc.edu
Classification: Unclassified
Created attachment 8469
--> http://llvm.org/bugs/attachment.cgi?id=8469
Source-file for generating the ast-file
Emitting an ast-file by compiling the attached "test.m"-file
clang -emit-ast test.m
Compile the art-file
clang -c test.ast
Results in
----------------------------------------
Assertion failed: (SwitchCaseStmts[ID] == 0 && "Already have a SwitchCase with
this ID"), function RecordSwitchCaseID, file
/Users/raiserescue/develop/tmp/llvm/tools/clang/lib/Serialization/ASTReader.cpp,
line 6231.
0 clang 0x00000001092b7ffe _ZL15PrintStackTracePv + 46
1 clang 0x00000001092b85a9 _ZL13SignalHandleri + 297
2 libsystem_c.dylib 0x00007fff9352ecfa _sigtramp + 26
3 libsystem_c.dylib 0x000004000d403a60 _sigtramp + 18446607736313302400
4 clang 0x00000001092b82cb raise + 27
5 clang 0x00000001092b8382 abort + 18
6 clang 0x00000001092b8361 __assert_rtn + 129
7 clang 0x000000010744a963
clang::ASTReader::RecordSwitchCaseID(clang::SwitchCase*, unsigned int) + 131
8 clang 0x00000001074ac400
clang::ASTStmtReader::VisitSwitchCase(clang::SwitchCase*) + 128
9 clang 0x00000001074ac43f
clang::ASTStmtReader::VisitCaseStmt(clang::CaseStmt*) + 47
10 clang 0x00000001074c0809 clang::StmtVisitorBase<clang::make_ptr,
clang::ASTStmtReader, void>::Visit(clang::Stmt*) + 4345
11 clang 0x00000001074ba175
clang::ASTReader::ReadStmtFromStream(clang::serialization::ModuleFile&) + 17973
12 clang 0x00000001074b5afd
clang::ASTReader::ReadStmt(clang::serialization::ModuleFile&) + 77
13 clang 0x000000010748fa0e
clang::ASTDeclReader::VisitObjCMethodDecl(clang::ObjCMethodDecl*) + 142
14 clang 0x0000000107499cee
clang::DeclVisitor<clang::ASTDeclReader, void>::Visit(clang::Decl*) + 494
15 clang 0x00000001074854ca
clang::ASTDeclReader::Visit(clang::Decl*) + 42
16 clang 0x0000000107497f9f
clang::ASTReader::ReadDeclRecord(unsigned int) + 2495
17 clang 0x000000010743c27c clang::ASTReader::GetDecl(unsigned int)
+ 396
18 clang 0x0000000107478890
clang::ASTReader::GetLocalDecl(clang::serialization::ModuleFile&, unsigned int)
+ 64
19 clang 0x00000001074448c6 (anonymous
namespace)::FindExternalLexicalDeclsVisitor::visit(clang::serialization::ModuleFile&,
bool, void*) + 374
20 clang 0x000000010751b6a0
_ZL15visitDepthFirstRN5clang13serialization10ModuleFileEPFbS2_bPvES3_RN4llvm11SmallPtrSetIPS1_Lj4EEE
+ 272
21 clang 0x000000010751b52a
clang::serialization::ModuleManager::visitDepthFirst(bool
(*)(clang::serialization::ModuleFile&, bool, void*), void*) + 154
22 clang 0x00000001074446e7
clang::ASTReader::FindExternalLexicalDecls(clang::DeclContext const*, bool
(*)(clang::Decl::Kind), llvm::SmallVectorImpl<clang::Decl*>&) + 103
23 clang 0x000000010744497f non-virtual thunk to
clang::ASTReader::FindExternalLexicalDecls(clang::DeclContext const*, bool
(*)(clang::Decl::Kind), llvm::SmallVectorImpl<clang::Decl*>&) + 63
24 clang 0x00000001083d00cc
clang::ExternalASTSource::FindExternalLexicalDecls(clang::DeclContext const*,
llvm::SmallVectorImpl<clang::Decl*>&) + 76
25 clang 0x00000001083cce4f
clang::DeclContext::LoadLexicalDeclsFromExternalStorage() const + 239
26 clang 0x00000001083cd45f clang::DeclContext::decls_begin() const
+ 47
27 clang 0x000000010747c2ec clang::ObjCContainerDecl::meth_begin()
const + 28
28 clang 0x0000000107445ef8
_ZL26PassObjCImplDeclToConsumerPN5clang12ObjCImplDeclEPNS_11ASTConsumerE + 120
29 clang 0x0000000107445e3a
clang::ASTReader::PassInterestingDeclToConsumer(clang::Decl*) + 74
30 clang 0x000000010744b3ce
clang::ASTReader::FinishedDeserializing() + 334
31 clang 0x000000010744b40c non-virtual thunk to
clang::ASTReader::FinishedDeserializing() + 28
32 clang 0x000000010747e4f9
clang::ExternalASTSource::Deserializing::~Deserializing() + 25
33 clang 0x0000000107454c45
clang::ExternalASTSource::Deserializing::~Deserializing() + 21
34 clang 0x00000001074983af
clang::ASTReader::ReadDeclRecord(unsigned int) + 3535
35 clang 0x000000010743c27c clang::ASTReader::GetDecl(unsigned int)
+ 396
36 clang 0x0000000107446033
clang::ASTReader::StartTranslationUnit(clang::ASTConsumer*) + 131
37 clang 0x000000010744609f non-virtual thunk to
clang::ASTReader::StartTranslationUnit(clang::ASTConsumer*) + 47
38 clang 0x00000001076d3546 clang::ParseAST(clang::Sema&, bool,
bool) + 310
39 clang 0x0000000107387dd8
clang::ASTFrontendAction::ExecuteAction() + 312
40 clang 0x0000000107667922 clang::CodeGenAction::ExecuteAction() +
1266
41 clang 0x00000001073879ec clang::FrontendAction::Execute() + 236
42 clang 0x00000001073521ca
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) + 890
43 clang 0x0000000107324f41
clang::ExecuteCompilerInvocation(clang::CompilerInstance*) + 961
44 clang 0x000000010730e929 cc1_main(char const**, char const**,
char const*, void*) + 969
45 clang 0x000000010731ecf9 main + 473
46 clang 0x000000010730e534 start + 52
47 clang 0x000000000000002b start + 18446744069293939499
Stack dump:
0. Program arguments:
/Users/raiserescue/develop/tmp/build-llvm/Debug+Asserts/bin/clang -cc1 -triple
x86_64-apple-macosx10.7.0 -emit-obj -mrelax-all -disable-free -main-file-name
test.ast -pic-level 2 -mdisable-fp-elim -masm-verbose -munwind-tables
-target-cpu core2 -target-linker-version 127.2 -coverage-file test.o
-resource-dir
/Users/raiserescue/develop/tmp/build-llvm/Debug+Asserts/bin/../lib/clang/3.2
-fdebug-compilation-dir /Users/raiserescue/develop/tmp -ferror-limit 19
-fmessage-length 212 -stack-protector 1 -mstackrealign -fblocks
-fobjc-runtime-has-arc -fobjc-runtime-has-weak -fobjc-dispatch-method=mixed
-fobjc-default-synthesize-properties -fdiagnostics-show-option
-fcolor-diagnostics -o test.o -x ast test.ast
1. <eof> parser at end of file
clang: error: unable to execute command: Illegal instruction: 4
clang: error: clang frontend command failed due to signal (use -v to see
invocation)
clang: note: diagnostic msg: Please submit a bug report to
http://llvm.org/bugs/ and include command line arguments and all diagnostic
information.
clang: note: diagnostic msg: Error generating preprocessed source(s) - no
preprocessable inputs.
----------------------------------------
Curiously i can't reproduce it with ast-files generated from C/C++-code.
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