Really implement David Blaikie suggestion in full of seperating

variable initialization from its usage in the push_back making
collapse of the two statements unlikely even without a comment.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@244470 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Yaron Keren 2015-08-10 18:03:35 +00:00
parent 214aad9f31
commit af1c9b3bfb

View File

@ -2884,15 +2884,13 @@ void DwarfLinker::patchLineTableForUnit(CompileUnit &Unit,
if (StopAddress != -1ULL && !Seq.empty()) {
// Insert end sequence row with the computed end address, but
// the same line as the previous one.
// Do not collapse the next two statements as the push_back operation
// may reallocate the vector and invalidate the iterator Seq.back().
auto NextLine = Seq.back();
Seq.push_back(NextLine);
Seq.back().Address = StopAddress;
Seq.back().EndSequence = 1;
Seq.back().PrologueEnd = 0;
Seq.back().BasicBlock = 0;
Seq.back().EpilogueBegin = 0;
Seq.push_back(NextLine);
insertLineSequence(Seq, NewRows);
}