Thread safety analysis: handle CFG blocks which call functions marked as noreturn.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151944 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/ThreadSafety.cpp b/lib/Analysis/ThreadSafety.cpp
index 1370d5d..40ad79b 100644
--- a/lib/Analysis/ThreadSafety.cpp
+++ b/lib/Analysis/ThreadSafety.cpp
@@ -1526,6 +1526,10 @@
if (*PI == 0 || !VisitedBlocks.alreadySet(*PI))
continue;
+ // Ignore edges from blocks that can't return.
+ if ((*PI)->hasNoReturnElement())
+ continue;
+
// If the previous block ended in a 'continue' or 'break' statement, then
// a difference in locksets is probably due to a bug in that block, rather
// than in some other predecessor. In that case, keep the other