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/* { dg-options "-Wuninitialized" } */
/* Verify disabling a warning, where both the _Pragma and the
affected code are within (different) macros. */
/* TODO: XFAIL: both C and C++ erroneously fail to suppress the warning
The warning is reported at the macro definition location, rather than
the macro expansion location. */
# 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")
#define WARNABLE_CODE *++yyvsp = yylval; /* { dg-bogus "used uninitialized" "" { xfail *-*-* } } */
void test (char yylval)
{
char *yyvsp; /* { dg-bogus "declared here" "" { xfail *-*-* } } */
YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
WARNABLE_CODE
YY_IGNORE_MAYBE_UNINITIALIZED_END
}
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