+2009-08-03 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/40943
+ * tree-ssa.c (warn_uninitialized_var): Even on LHS warn for
+ operand of INDIRECT_REF.
+
2009-08-03 Uros Bizjak <ubizjak@gmail.com>
* config/alpha/alpha.c (alpha_legitimate_constant_p): Reject CONST
+2009-08-03 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/40943
+ * gcc.dg/uninit-6.c: Re-add XFAIL.
+ * gcc.dg/uninit-6-O0.c: Likewise.
+ * gcc.dg/uninit-pr40943.c: New test.
+
2009-08-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
PR testsuite/40858
rv = malloc (sizeof (struct tree));
rv->car = 0;
- APPEND(rv, field, INTEGER_T, a); /* { dg-bogus "field" "uninitialized variable warning" } */
+ APPEND(rv, field, INTEGER_T, a); /* { dg-bogus "field" "uninitialized variable warning" { xfail *-*-* } } */
APPEND(rv, field, PTR_T, b);
APPEND(rv, field, INTEGER_T, c);
rv = malloc (sizeof (struct tree));
rv->car = 0;
- APPEND(rv, field, INTEGER_T, a); /* { dg-bogus "field" "uninitialized variable warning" } */
+ APPEND(rv, field, INTEGER_T, a); /* { dg-bogus "field" "uninitialized variable warning" { xfail *-*-* } } */
APPEND(rv, field, PTR_T, b);
APPEND(rv, field, INTEGER_T, c);
--- /dev/null
+/* PR middle-end/40943 */
+/* { dg-do compile } */
+/* { dg-options "-O2 -Wuninitialized" } */
+
+void
+foo (void)
+{
+ int *p;
+ *p = 3; /* { dg-warning "is used uninitialized" } */
+}
/* We do not care about LHS. */
if (wi->is_lhs)
- return NULL_TREE;
+ {
+ /* Except for operands of INDIRECT_REF. */
+ if (!INDIRECT_REF_P (t))
+ return NULL_TREE;
+ t = TREE_OPERAND (t, 0);
+ }
switch (TREE_CODE (t))
{