/* PR tree-optimization/85259 - Missing -Wstringop-overflow= since r256683 { dg-do compile } { dg-options "-O2 -Wstringop-overflow" } */ extern char* strcpy (char*, const char*); extern char* strcat (char*, const char*); char a1[1]; char a2[2]; char a3[3]; char a4[4]; char a5[5]; char a6[6]; char a7[7]; char a8[8]; /* Verify that at least one instance of -Wstringop-overflow is issued for each pair of strcpy/strcat calls. */ void test_strcpy_strcat_1 (void) { strcpy (a1, "1"), strcat (a1, "2"); /* { dg-warning "\\\[-Wstringop-overflow=]" } */ } void test_strcpy_strcat_2 (void) { strcpy (a2, "12"), strcat (a2, "3"); /* { dg-warning "\\\[-Wstringop-overflow=]" } */ } void test_strcpy_strcat_3 (void) { strcpy (a3, "123"), strcat (a3, "4"); /* { dg-warning "\\\[-Wstringop-overflow=]" } */ } void test_strcpy_strcat_4 (void) { strcpy (a4, "1234"), strcat (a4, "5"); /* { dg-warning "\\\[-Wstringop-overflow=]" } */ } void test_strcpy_strcat_5 (void) { strcpy (a5, "12345"), strcat (a5, "6"); /* { dg-warning "\\\[-Wstringop-overflow=]" } */ } void test_strcpy_strcat_6 (void) { strcpy (a6, "123456"), strcat (a6, "7"); /* { dg-warning "\\\[-Wstringop-overflow=]" } */ } void test_strcpy_strcat_7 (void) { strcpy (a7, "1234567"), strcat (a7, "8"); /* { dg-warning "\\\[-Wstringop-overflow=]" } */ } void test_strcpy_strcat_8 (void) { strcpy (a8, "12345678"), strcat (a8, "9"); /* { dg-warning "\\\[-Wstringop-overflow=]" } */ }