maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

Fixed a potential crash if layout for a structure 

went wrong and we tried to get layout information
that wasn't there.

<rdar://problem/13490170>

llvm-svn: 177880
This commit is contained in:
Sean Callanan 2013-03-25 18:27:07 +00:00
parent 005013c115
commit eb7b27dab5
1 changed files with 4 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
lldb/source/Expression/ClangASTSource.cpp
View File

@ -1469,12 +1469,15 @@ ClangASTSource::layoutRecordType(const RecordDecl *record,
const ASTRecordLayout &record_layout(origin_record->getASTContext().getASTRecordLayout(origin_record.decl));
int field_idx = 0;
int field_idx = 0, field_count = record_layout.getFieldCount();
for (RecordDecl::field_iterator fi = origin_record->field_begin(), fe = origin_record->field_end();
fi != fe;
++fi)
{
if (field_idx >= field_count)
return false; // Layout didn't go well. Bail out.
uint64_t field_offset = record_layout.getFieldOffset(field_idx);
origin_field_offsets.insert(std::pair<const FieldDecl *, uint64_t>(*fi, field_offset));