+2005-11-28 Richard Guenther <rguenther@suse.de>
+
+ * c-common.c (strict_aliasing_warning): Handle all
+ component-ref like accesses.
+
2005-11-28 Roger Sayle <roger@eyesopen.com>
Uros Bizjak <uros@kss-loka.si>
&& POINTER_TYPE_P (type) && POINTER_TYPE_P (otype)
&& TREE_CODE (expr) == ADDR_EXPR
&& (DECL_P (TREE_OPERAND (expr, 0))
- || TREE_CODE (TREE_OPERAND (expr, 0)) == COMPONENT_REF)
+ || handled_component_p (TREE_OPERAND (expr, 0)))
&& !VOID_TYPE_P (TREE_TYPE (type)))
{
/* Casting the address of an object to non void pointer. Warn
+2005-11-28 Richard Guenther <rguenther@suse.de>
+
+ * gcc.dg/alias-9.c: New testcase.
+ * g++.dg/warn/Wstrict-aliasing-7.C: Likewise.
+
2005-11-28 Roger Sayle <roger@eyesopen.com>
Uros Bizjak <uros@kss-loka.si>
--- /dev/null
+/* { dg-do compile } */
+/* { dg-options "-Wstrict-aliasing -O2" } */
+
+int a[2];
+
+double *foo1(void)
+{
+ return (double *)a; /* { dg-warning "strict-aliasing" } */
+}
+
+double *foo2(void)
+{
+ return (double *)&a[0]; /* { dg-warning "strict-aliasing" } */
+}
+
+__complex__ double x;
+int *bar(void)
+{
+ return (int *)&__imag__ x; /* { dg-warning "strict-aliasing" } */
+}
--- /dev/null
+/* { dg-do compile } */
+/* { dg-options "-Wstrict-aliasing -O2" } */
+
+int a[2];
+
+double *foo1(void)
+{
+ return (double *)a; /* { dg-warning "strict-aliasing" } */
+}
+
+double *foo2(void)
+{
+ return (double *)&a[0]; /* { dg-warning "strict-aliasing" } */
+}
+
+_Complex x;
+int *bar(void)
+{
+ return (int *)&__imag x; /* { dg-warning "strict-aliasing" } */
+}