2009-04-19 Joseph Myers <joseph@codesourcery.com>
+ PR c/37481
+ * c-typeck.c (digest_init): Check for initializing an array with a
+ string literal.
+
+2009-04-19 Joseph Myers <joseph@codesourcery.com>
+
PR c/19771
* c-semantics.c (pop_stmt_list): Propagate
STATEMENT_LIST_HAS_LABEL to parent statement list.
expr.original_type = NULL;
maybe_warn_string_init (type, expr);
+ if (TYPE_DOMAIN (type) && !TYPE_MAX_VALUE (TYPE_DOMAIN (type)))
+ pedwarn_init (input_location, OPT_pedantic,
+ "initialization of a flexible array member");
+
if (comptypes (TYPE_MAIN_VARIANT (TREE_TYPE (inside_init)),
TYPE_MAIN_VARIANT (type)))
return inside_init;
2009-04-19 Joseph Myers <joseph@codesourcery.com>
+ PR c/37481
+ * gcc.dg/c99-flex-array-7.c: New test.
+
+2009-04-19 Joseph Myers <joseph@codesourcery.com>
+
PR c/19771
* gcc.c-torture/execute/vla-dealloc-1.c: New test.
--- /dev/null
+/* Initialization of a flexible array member with a string constant
+ must be diagnosed. PR 37481. */
+/* { dg-do compile } */
+/* { dg-options "-std=iso9899:1999 -pedantic-errors" } */
+
+struct s { int a; char b[]; };
+
+struct s a = { 0, "" }; /* { dg-error "initialization of a flexible array member" } */
+/* { dg-error "near init" "near init" { target *-*-* } 8 } */
+struct s b = { 0, { 0 } }; /* { dg-error "initialization of a flexible array member" } */
+/* { dg-error "near init" "near init" { target *-*-* } 10 } */
+struct s c = { 0, { } }; /* { dg-error "ISO C forbids empty initializer braces" } */
+struct s d = { .b = "" }; /* { dg-error "initialization of a flexible array member" } */
+/* { dg-error "near init" "near init" { target *-*-* } 13 } */
+struct s e = { .b = { 0 } }; /* { dg-error "initialization of a flexible array member" } */
+/* { dg-error "near init" "near init" { target *-*-* } 15 } */
+struct s f = { .b = { } }; /* { dg-error "ISO C forbids empty initializer braces" } */