[LLVMbugs] [Bug 15902] New: clang::CXXBasePaths::lookupInBases crash

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=15902

            Bug ID: 15902
           Summary: clang::CXXBasePaths::lookupInBases crash
           Product: libraries
           Version: 3.2
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Core LLVM classes
          Assignee: unassignedbugs at nondot.org
          Reporter: noelgrandin at gmail.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Created attachment 10459
  --> http://llvm.org/bugs/attachment.cgi?id=10459&action=edit
preprocessed source

I'm running a clang plugin and it's crashing on some of the input files with a
stacktrace:

0  libLLVM-3.2svn.so 0x00000039b376c42f
1  libLLVM-3.2svn.so 0x00000039b376c886
2  libpthread.so.0   0x00000034d1a0f000
3  clang             0x0000000000f7a1d6
clang::CXXBasePaths::lookupInBases(clang::ASTContext&, clang::CXXRecordDecl
const*, bool (*)(clang::CXXBaseSpecifier const*, clang::CXXBasePath&, void*),
void*) + 102
4  clang             0x0000000000f7b1f7
clang::CXXRecordDecl::lookupInBases(bool (*)(clang::CXXBaseSpecifier const*,
clang::CXXBasePath&, void*), void*, clang::CXXBasePaths&) const + 55
5  clang             0x0000000000f7b713
clang::CXXRecordDecl::isDerivedFrom(clang::CXXRecordDecl const*) const + 259
6  plugin.so         0x00002aaaaab1c967
loplugin::ReferenceCasting::VisitCXXConstructExpr(clang::CXXConstructExpr*) +
855
7  plugin.so         0x00002aaaaab21732
clang::RecursiveASTVisitor<loplugin::ReferenceCasting>::TraverseCXXConstructExpr(clang::CXXConstructExpr*)
+ 18
8  plugin.so         0x00002aaaaab1e946
clang::RecursiveASTVisitor<loplugin::ReferenceCasting>::TraverseStmt(clang::Stmt*)
+ 310
9  plugin.so         0x00002aaaaab292d2
clang::RecursiveASTVisitor<loplugin::ReferenceCasting>::TraverseVarHelper(clang::VarDecl*)
+ 114
10 plugin.so         0x00002aaaaab1d110
clang::RecursiveASTVisitor<loplugin::ReferenceCasting>::TraverseDecl(clang::Decl*)
+ 1360
11 plugin.so         0x00002aaaaab20cb2
clang::RecursiveASTVisitor<loplugin::ReferenceCasting>::TraverseDeclStmt(clang::DeclStmt*)
+ 98
12 plugin.so         0x00002aaaaab1e8d5
clang::RecursiveASTVisitor<loplugin::ReferenceCasting>::TraverseStmt(clang::Stmt*)
+ 197
13 plugin.so         0x00002aaaaab20b9a
clang::RecursiveASTVisitor<loplugin::ReferenceCasting>::TraverseCompoundStmt(clang::CompoundStmt*)
+ 186
14 plugin.so         0x00002aaaaab1e8c7
clang::RecursiveASTVisitor<loplugin::ReferenceCasting>::TraverseStmt(clang::Stmt*)
+ 183
15 plugin.so         0x00002aaaaab20aca
clang::RecursiveASTVisitor<loplugin::ReferenceCasting>::TraverseCXXTryStmt(clang::CXXTryStmt*)
+ 186
16 plugin.so         0x00002aaaaab1e8c0
clang::RecursiveASTVisitor<loplugin::ReferenceCasting>::TraverseStmt(clang::Stmt*)
+ 176
17 plugin.so         0x00002aaaaab20b9a
clang::RecursiveASTVisitor<loplugin::ReferenceCasting>::TraverseCompoundStmt(clang::CompoundStmt*)
+ 186
18 plugin.so         0x00002aaaaab1e8c7
clang::RecursiveASTVisitor<loplugin::ReferenceCasting>::TraverseStmt(clang::Stmt*)
+ 183
19 plugin.so         0x00002aaaaab2958c
clang::RecursiveASTVisitor<loplugin::ReferenceCasting>::TraverseFunctionHelper(clang::FunctionDecl*)
+ 412
20 plugin.so         0x00002aaaaab1cc13
clang::RecursiveASTVisitor<loplugin::ReferenceCasting>::TraverseDecl(clang::Decl*)
+ 83
21 plugin.so         0x00002aaaaab1e7f1
clang::RecursiveASTVisitor<loplugin::ReferenceCasting>::TraverseDeclContextHelper(clang::DeclContext*)
+ 49
22 plugin.so         0x00002aaaaab1d301
clang::RecursiveASTVisitor<loplugin::ReferenceCasting>::TraverseDecl(clang::Decl*)
+ 1857
23 plugin.so         0x00002aaaaab1e7f1
clang::RecursiveASTVisitor<loplugin::ReferenceCasting>::TraverseDeclContextHelper(clang::DeclContext*)
+ 49
24 plugin.so         0x00002aaaaab1d301
clang::RecursiveASTVisitor<loplugin::ReferenceCasting>::TraverseDecl(clang::Decl*)
+ 1857
25 plugin.so         0x00002aaaaab1e7f1
clang::RecursiveASTVisitor<loplugin::ReferenceCasting>::TraverseDeclContextHelper(clang::DeclContext*)
+ 49
26 plugin.so         0x00002aaaaab1d301
clang::RecursiveASTVisitor<loplugin::ReferenceCasting>::TraverseDecl(clang::Decl*)
+ 1857
27 plugin.so         0x00002aaaaab4823e
loplugin::PluginHandler::HandleTranslationUnit(clang::ASTContext&) + 94
28 clang             0x000000000063eb8d
clang::MultiplexConsumer::HandleTranslationUnit(clang::ASTContext&) + 61
29 clang             0x00000000008adb84 clang::ParseAST(clang::Sema&, bool,
bool) + 340
30 clang             0x0000000000768fd3 clang::CodeGenAction::ExecuteAction() +
51
31 clang             0x0000000000629f21 clang::FrontendAction::Execute() + 97
32 clang             0x000000000060be3a
clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) + 282
33 clang             0x00000000005f486d
clang::ExecuteCompilerInvocation(clang::CompilerInstance*) + 1565
34 clang             0x00000000005eda88 cc1_main(char const**, char const**,
char const*, void*) + 1176
35 clang             0x00000000005ec8fa main + 7034
36 libc.so.6         0x00000034d1621a05 __libc_start_main + 245
37 clang             0x00000000005ed431

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