+2018-02-06 Marek Polacek <polacek@redhat.com>
+
+ PR tree-optimization/84228
+ * tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Skip debug statements.
+
2018-02-06 Tamar Christina <tamar.christina@arm.com>
PR target/82641
+2018-02-06 Marek Polacek <polacek@redhat.com>
+
+ PR tree-optimization/84228
+ * c-c++-common/Wstringop-truncation-3.c: New test.
+
2018-02-06 Tamar Christina <tamar.christina@arm.com>
PR target/82641
--- /dev/null
+/* PR tree-optimization/84228 */
+/* { dg-do compile } */
+/* { dg-options "-Wstringop-truncation -O2 -g" } */
+
+char *strncpy (char *, const char *, __SIZE_TYPE__);
+struct S
+{
+ char arr[64];
+};
+
+int
+foo (struct S *p1, const char *a)
+{
+ int b = 5, c = 6, d = 7;
+ if (a)
+ goto err;
+ strncpy (p1->arr, a, sizeof p1->arr); /* { dg-bogus "specified bound" } */
+ b = 8; c = 9; d = 10;
+ p1->arr[3] = '\0';
+err:
+ return 0;
+}
/* Look for dst[i] = '\0'; after the stxncpy() call and if found
avoid the truncation warning. */
- gsi_next (&gsi);
+ gsi_next_nondebug (&gsi);
gimple *next_stmt = gsi_stmt (gsi);
if (!gsi_end_p (gsi) && is_gimple_assign (next_stmt))