diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/c90-hexfloat-2.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/c90-hexfloat-2.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/c90-hexfloat-2.c b/gcc/testsuite/gcc.dg/c90-hexfloat-2.c new file mode 100644 index 000000000..259471c8f --- /dev/null +++ b/gcc/testsuite/gcc.dg/c90-hexfloat-2.c @@ -0,0 +1,24 @@ +/* Test for hex floating point constants: in C99 only. Preprocessor test. */ +/* Origin: Joseph Myers <jsm28@cam.ac.uk> */ +/* { dg-do run } */ +/* { dg-options "-std=iso9899:1990 -pedantic-errors" } */ + +#define f ( +#define l ) +#define str(x) #x +#define xstr(x) str(x) + +/* C90: "0x1p+( 0x1p+)"; C99: "0x1p+f 0x1p+l" */ +const char *s = xstr(0x1p+f 0x1p+l); + +extern void abort (void); +extern int strcmp (const char *, const char *); + +int +main (void) +{ + if (strcmp (s, "0x1p+( 0x1p+)")) + abort (); + else + return 0; /* Correct C90 behavior. */ +} |