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-rw-r--r--lib/CodeGen/CGExprConstant.cpp5
-rw-r--r--test/CodeGen/const-init.c5
2 files changed, 8 insertions, 2 deletions
diff --git a/lib/CodeGen/CGExprConstant.cpp b/lib/CodeGen/CGExprConstant.cpp
index d7c6457ff8..e618dab33e 100644
--- a/lib/CodeGen/CGExprConstant.cpp
+++ b/lib/CodeGen/CGExprConstant.cpp
@@ -59,8 +59,9 @@ public:
return EmitUnion(CGM.EmitConstantExpr(SubExpr, SubExpr->getType(), CGF),
Ty);
}
- if (CGM.getContext().getCanonicalType(E->getSubExpr()->getType()) ==
- CGM.getContext().getCanonicalType(E->getType())) {
+ // Explicit and implicit no-op casts
+ QualType Ty = E->getType(), SubTy = E->getSubExpr()->getType();
+ if (CGM.getContext().hasSameUnqualifiedType(Ty, SubTy)) {
return Visit(E->getSubExpr());
}
return 0;
diff --git a/test/CodeGen/const-init.c b/test/CodeGen/const-init.c
index a7220e0c29..1f9d74c7e9 100644
--- a/test/CodeGen/const-init.c
+++ b/test/CodeGen/const-init.c
@@ -96,4 +96,9 @@ void *g20(void) {
return l0.f1;
}
+// PR4108
+struct g21 {int g21;};
+const struct g21 g21 = (struct g21){1};
+
// RUN: true
+