+2016-01-08 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/69172
+ * gimple-fold.c (gimple_fold_builtin_memory_chk): Pass type to
+ gimple_build.
+
2016-01-08 Thomas Preud'homme <thomas.preudhomme@arm.com>
PR tree-optimization/67781
{
gimple_seq stmts = NULL;
len = gimple_convert_to_ptrofftype (&stmts, loc, len);
- tree temp = gimple_build (&stmts, loc, POINTER_PLUS_EXPR, dest, len);
+ tree temp = gimple_build (&stmts, loc, POINTER_PLUS_EXPR,
+ TREE_TYPE (dest), dest, len);
gsi_insert_seq_before (gsi, stmts, GSI_SAME_STMT);
replace_call_with_value (gsi, temp);
return true;
+2016-01-08 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/69172
+ * gcc.dg/pr69172.c: New test.
+
2016-01-08 Thomas Preud'homme <thomas.preudhomme@arm.com>
PR tree-optimization/67781
--- /dev/null
+/* PR tree-optimization/69172 */
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+
+int a;
+
+void *
+f1 (void)
+{
+ int *b = &a, *c = &a;
+ return __builtin___mempcpy_chk (b, c, sizeof (int), 0);
+}
+
+void *
+f2 (void)
+{
+ int *b = &a;
+ return __builtin___mempcpy_chk (b, b, sizeof (int), 0);
+}
+
+void *
+f3 (void)
+{
+ return __builtin___mempcpy_chk (&a, &a, sizeof (int), 0);
+}
+
+void *
+f4 (int x)
+{
+ int *b = &a, *c = &a;
+ return __builtin___mempcpy_chk (b, c, x, 0);
+}
+
+void *
+f5 (int x)
+{
+ int *b = &a;
+ return __builtin___mempcpy_chk (b, b, x, 0);
+}
+
+void *
+f6 (int x)
+{
+ return __builtin___mempcpy_chk (&a, &a, x, 0);
+}