Author: gclayton
Date: Fri May 15 17:31:18 2015
New Revision: 237485
URL: http://llvm.org/viewvc/llvm-project?rev=237485&view=rev
Log:
Don't crash if we have bad debug info that has a DW_TAG_inheritance with a bad
DW_AT_type reference. Emit an error with instructions to file a bug.
<rdar://problem/20944860>
Modified:
lldb/trunk/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
Modified: lldb/trunk/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
URL:
http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp?rev=237485&r1=237484&r2=237485&view=diff
==============================================================================
--- lldb/trunk/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp (original)
+++ lldb/trunk/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp Fri May 15
17:31:18 2015
@@ -2333,8 +2333,15 @@ SymbolFileDWARF::ParseChildMembers
}
Type *base_class_type = ResolveTypeUID(encoding_uid);
- assert(base_class_type);
-
+ if (base_class_type == NULL)
+ {
+ GetObjectFile()->GetModule()->ReportError("0x%8.8x:
DW_TAG_inheritance failed to resolve a the base class at 0x%8.8" PRIx64 " from
enclosing type 0x%8.8x. \nPlease file a bug and attach the file at the start of
this error message",
+
die->GetOffset(),
+ encoding_uid,
+
parent_die->GetOffset());
+ break;
+ }
+
ClangASTType base_class_clang_type =
base_class_type->GetClangFullType();
assert (base_class_clang_type);
if (class_language == eLanguageTypeObjC)
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