gcc/gcc/testsuite/gcc.dg/pr69543.c

19 lines
525 B
C

/* PR preprocessor/69543 */
/* { dg-do compile } */
/* { dg-options "-O2 -Wuninitialized" } */
# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN \
_Pragma ("GCC diagnostic push") \
_Pragma ("GCC diagnostic ignored \"-Wuninitialized\"")\
_Pragma ("GCC diagnostic ignored \"-Wmaybe-uninitialized\"")
# define YY_IGNORE_MAYBE_UNINITIALIZED_END \
_Pragma ("GCC diagnostic pop")
void test (char yylval)
{
char *yyvsp;
YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
*++yyvsp = yylval;
YY_IGNORE_MAYBE_UNINITIALIZED_END
}