1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr71558.c b/gcc/testsuite/gcc.dg/pr71558.c
new file mode 100644
index 00000000000..33a648e108c
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr71558.c
@@ -0,0 +1,17 @@
+/* PR tree-optimization/71588 */
+
+/* strcpy must not be pure, but make sure we don't ICE even when
+   it is declared incorrectly.  */
+char *strcpy (char *, const char *) __attribute__ ((__pure__));
+__SIZE_TYPE__ strlen (const char *);
+void *malloc (__SIZE_TYPE__);
+
+char a[20];
+
+char *
+foo (void)
+{
+  __SIZE_TYPE__ b = strlen (a);
+  char *c = malloc (b);
+  return strcpy (c, a);
+}