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-rw-r--r--lib/Sema/SemaExpr.cpp11
1 files changed, 7 insertions, 4 deletions
diff --git a/lib/Sema/SemaExpr.cpp b/lib/Sema/SemaExpr.cpp
index ebf79812d8dc..5a2eb6060ee9 100644
--- a/lib/Sema/SemaExpr.cpp
+++ b/lib/Sema/SemaExpr.cpp
@@ -1365,10 +1365,13 @@ Sema::CreateGenericSelectionExpr(SourceLocation KeyLoc,
// Decay and strip qualifiers for the controlling expression type, and handle
// placeholder type replacement. See committee discussion from WG14 DR423.
- ExprResult R = DefaultFunctionArrayLvalueConversion(ControllingExpr);
- if (R.isInvalid())
- return ExprError();
- ControllingExpr = R.get();
+ {
+ EnterExpressionEvaluationContext Unevaluated(*this, Sema::Unevaluated);
+ ExprResult R = DefaultFunctionArrayLvalueConversion(ControllingExpr);
+ if (R.isInvalid())
+ return ExprError();
+ ControllingExpr = R.get();
+ }
// The controlling expression is an unevaluated operand, so side effects are
// likely unintended.