Author: abataev
Date: Thu Apr 27 10:10:33 2017
New Revision: 301549
URL: http://llvm.org/viewvc/llvm-project?rev=301549&view=rev
Log:
[OPENMP] Add a check for iterator not reached the end of stack, NFC.
Add an extra check for the iterator during checks of the data-sharing
attributes.
Modified:
cfe/trunk/lib/Sema/SemaOpenMP.cpp
Modified: cfe/trunk/lib/Sema/SemaOpenMP.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaOpenMP.cpp?rev=301549&r1=301548&r2=301549&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/SemaOpenMP.cpp (original)
+++ cfe/trunk/lib/Sema/SemaOpenMP.cpp Thu Apr 27 10:10:33 2017
@@ -828,14 +828,14 @@ DSAStackTy::hasDSA(ValueDecl *D,
? std::next(Stack.back().first.rbegin())
: Stack.back().first.rbegin();
auto EndI = Stack.back().first.rend();
- do {
+ while (std::distance(I, EndI) > 1) {
std::advance(I, 1);
if (!DPred(I->Directive) && !isParallelOrTaskRegion(I->Directive))
continue;
DSAVarData DVar = getDSA(I, D);
if (CPred(DVar.CKind))
return DVar;
- } while (std::distance(I, EndI) > 1);
+ }
return {};
}
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