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Fix an issue where LLDB could crash when trying to figure out the return value layout for an invalid type 

llvm-svn: 234239
This commit is contained in:
Enrico Granata 2015-04-06 21:39:56 +00:00
parent 7d4f773982
commit 30f3b220d6
1 changed files with 4 additions and 0 deletions
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4
lldb/source/Plugins/ABI/SysV-x86_64/ABISysV_x86_64.cpp
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@ -871,6 +871,10 @@ ABISysV_x86_64::GetReturnValueObjectImpl (Thread &thread, ClangASTType &return_c
ClangASTType field_clang_type = return_clang_type.GetFieldAtIndex (idx, name, &field_bit_offset, NULL, NULL);
const size_t field_bit_width = field_clang_type.GetBitSize(&thread);
// if we don't know the size of the field (e.g. invalid type), just bail out
if (field_bit_width == 0)
break;
// If there are any unaligned fields, this is stored in memory.
if (field_bit_offset % field_bit_width != 0)
{