Keep track of the set of array index variables we use when we

synthesize a by-copy captured array in a lambda. This information will
be needed by IR generation.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150396 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 3 insertions, 1 deletions

diff --git a/lib/Sema/SemaExpr.cpp b/lib/Sema/SemaExpr.cpp
index 9bd1074116..0d43afcd81 100644
--- a/lib/Sema/SemaExpr.cpp
+++ b/lib/Sema/SemaExpr.cpp
@@ -9642,6 +9642,7 @@ static ExprResult captureInLambda(Sema &S, LambdaScopeInfo *LSI,
   bool InitializingArray = false;
   QualType BaseType = FieldType;
   QualType SizeType = S.Context.getSizeType();
+  LSI->ArrayIndexStarts.push_back(LSI->ArrayIndexVars.size());
   while (const ConstantArrayType *Array
                         = S.Context.getAsConstantArrayType(BaseType)) {
     InitializingArray = true;
@@ -9660,7 +9661,8 @@ static ExprResult captureInLambda(Sema &S, LambdaScopeInfo *LSI,
                         S.Context.getTrivialTypeSourceInfo(SizeType, Loc),
                         SC_None, SC_None);
     IndexVariables.push_back(IterationVar);
-
+    LSI->ArrayIndexVars.push_back(IterationVar);
+    
     // Create a reference to the iteration variable.
     ExprResult IterationVarRef
       = S.BuildDeclRefExpr(IterationVar, SizeType, VK_LValue, Loc);