* c-typeck.c (convert_arguments): When comparing for enumeral
type equality, use TYPE_MAIN_VARIANT.
* gcc.dg/Wconversion.c: New tests.
From-SVN: r46559
+2001-10-26 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * c-typeck.c (convert_arguments): When comparing for enumeral
+ type equality, use TYPE_MAIN_VARIANT.
+ * gcc.dg/Wconversion.c: New tests.
+
2001-10-26 Kazu Hirata <kazu@hxi.com>
* s390/s390.c: Fix comment typos.
tree type1 = TREE_TYPE (would_have_been);
if (TREE_CODE (type) == ENUMERAL_TYPE
- && type == TREE_TYPE (val))
+ && (TYPE_MAIN_VARIANT (type)
+ == TYPE_MAIN_VARIANT (TREE_TYPE (val))))
/* No warning if function asks for enum
and the actual arg is that enum type. */
;
--- /dev/null
+/* Source: PR 137.
+
+ We would not warn about passing an enum, but would warn about
+ passing a enum that was part of an array. TYPE_MAIN_VARIANT was
+ not used in the appropriate place in the warning code. */
+
+/* { dg-do compile } */
+/* { dg-options -Wconversion } */
+
+typedef enum { a } __attribute__((packed)) t;
+void f(t x) {}
+
+int main(void)
+{
+ t x[2], y;
+ f(x[0]); /* { dg-bogus "different width" } */
+ f(y); /* { dg-bogus "different width" } */
+ return 0;
+}
+