diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/cpp/macro6.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/cpp/macro6.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/cpp/macro6.c b/gcc/testsuite/gcc.dg/cpp/macro6.c new file mode 100644 index 000000000..0fe52ee43 --- /dev/null +++ b/gcc/testsuite/gcc.dg/cpp/macro6.c @@ -0,0 +1,32 @@ +/* { dg-do run } */ + +/* Test that, when a macro expansion spills into the source file, we + expand macros we suck in from there, as the standard clearly states + they are not nested. + + Submitter: Neil Booth, with minor modifications to the originals. 3 + Dec 2000. + Source: PR 962 and Thomas Pornin. */ + +extern void abort (void); +int e = 10, f = 100; + +#define e(n) 4 + n +#define X e +#define f(x) x +#define h(x) x + f + +int +main () +{ + if (X(X) != 14) /* Should expand to "4 + e". */ + abort (); + + if (X(X(f)) != 108) /* Should expand to "4 + 4 + f". */ + abort (); + + if (h(e)(h(e)) != 120) /* Should expand to "e + e + f". */ + abort (); + + return 0; +} |