Allow a string literal to initialize a tail array (PR8217), patch

by Pierre Habouzit!



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116165 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Sema/SemaInit.cpp

@@ -1474,7 +1474,8 @@ InitListChecker::CheckDesignatedInitializer(const InitializedEntity &Entity,
         Invalid = true;
       }
 
-      if (!hadError && !isa<InitListExpr>(DIE->getInit())) {
+      if (!hadError && !isa<InitListExpr>(DIE->getInit()) &&
+          !isa<StringLiteral>(DIE->getInit())) {
         // The initializer is not an initializer list.
         SemaRef.Diag(DIE->getInit()->getSourceRange().getBegin(),
                       diag::err_flexible_array_init_needs_braces)

test/CodeGen/init.c

@@ -46,3 +46,15 @@ void f6() {
   int x;
   long ids[] = { (long) &x };  
 }
+
+
+
+
+// CHECK: @test7 = global{{.*}}{ i32 0, [4 x i8] c"bar\00" }
+// PR8217
+struct a7 {
+  int  b;
+  char v[];
+};
+
+struct a7 test7 = { .b = 0, .v = "bar" };