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-rw-r--r--lib/Sema/SemaExpr.cpp6
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/Sema/SemaExpr.cpp b/lib/Sema/SemaExpr.cpp
index 26fdb2e059..45e0c3377b 100644
--- a/lib/Sema/SemaExpr.cpp
+++ b/lib/Sema/SemaExpr.cpp
@@ -3902,6 +3902,12 @@ ExprResult Sema::ActOnMemberAccessExpr(Scope *S, Expr *Base,
if (SS.isSet() && SS.isInvalid())
return ExprError();
+ // Warn about the explicit constructor calls Microsoft extension.
+ if (getLangOptions().Microsoft &&
+ Id.getKind() == UnqualifiedId::IK_ConstructorName)
+ Diag(Id.getSourceRange().getBegin(),
+ diag::ext_ms_explicit_constructor_call);
+
TemplateArgumentListInfo TemplateArgsBuffer;
// Decompose the name into its component parts.