One of the passed arguments is actually a string with size 4 ("123"). Adjust the destination buffer accordingly.
gcc/testsuite/ChangeLog: 2019-11-21 Dimitar Dimitrov <dimi...@dinux.eu> * gcc.dg/strlenopt-66.c (test_strncmp_a4_cond_a5_a3_n): Fix array size. Signed-off-by: Dimitar Dimitrov <dimi...@dinux.eu> --- gcc/testsuite/gcc.dg/strlenopt-66.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/gcc/testsuite/gcc.dg/strlenopt-66.c b/gcc/testsuite/gcc.dg/strlenopt-66.c index 4ba31a845b0..3de22c18f4f 100644 --- a/gcc/testsuite/gcc.dg/strlenopt-66.c +++ b/gcc/testsuite/gcc.dg/strlenopt-66.c @@ -88,7 +88,7 @@ __attribute__ ((noclone, noinline, noipa)) void test_strncmp_a4_cond_a5_a3_n (const char *s1, const char *s2, const char *s3, int i, unsigned n) { - char a3[3], a4[4], a5[5]; + char a3[4], a4[4], a5[5]; strcpy (a3, s1); strcpy (a4, s2); strcpy (a5, s3); -- 2.20.1