Author: djasper
Date: Wed Aug 16 23:33:46 2017
New Revision: 311070
URL: http://llvm.org/viewvc/llvm-project?rev=311070&view=rev
Log:
Fix undefined behavior that is caused by not always initializing a bool.
The fix in r310994 is incomplete, as moveFromAndCancel can set the
pointer without initializing OldIsSpeculativelyEvaluating.
Modified:
cfe/trunk/lib/AST/ExprConstant.cpp
Modified: cfe/trunk/lib/AST/ExprConstant.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/AST/ExprConstant.cpp?rev=311070&r1=311069&r2=311070&view=diff
==============================================================================
--- cfe/trunk/lib/AST/ExprConstant.cpp (original)
+++ cfe/trunk/lib/AST/ExprConstant.cpp Wed Aug 16 23:33:46 2017
@@ -984,6 +984,7 @@ namespace {
void moveFromAndCancel(SpeculativeEvaluationRAII &&Other) {
Info = Other.Info;
OldStatus = Other.OldStatus;
+ OldIsSpeculativelyEvaluating = Other.OldIsSpeculativelyEvaluating;
Other.Info = nullptr;
}
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