patch to do array-to-pointer conversion in a

statement-expression. // rdar: //8600553

llvm-svn: 117479

clang/lib/Sema/SemaExpr.cpp

@@ -7072,6 +7072,8 @@ Sema::ActOnStmtExpr(SourceLocation LPLoc, Stmt *SubStmt,
     }
     if (Expr *LastExpr = dyn_cast<Expr>(LastStmt)) {
       Ty = LastExpr->getType();
+      if (Ty->isArrayType())
+        Ty = Context.getArrayDecayedType(Ty);
       if (!Ty->isDependentType() && !LastExpr->isTypeDependent()) {
         ExprResult Res = PerformCopyInitialization(
                             InitializedEntity::InitializeResult(LPLoc, 

clang/test/CodeGenCXX/stmtexpr.cpp

@@ -63,3 +63,13 @@ int main()
   foo4();
   return foo(1).i-1;
 }
+
+// rdar: // 8600553
+int a[128];
+int* foo5() {
+// CHECK-NOT: memcpy
+  // Check that array-to-pointer conversion occurs in a
+  // statement-expression.
+  return (({ a; }));
+}
+