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Diffstat (limited to 'gcc/testsuite/gcc.dg/cpp/paste5.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/cpp/paste5.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/cpp/paste5.c b/gcc/testsuite/gcc.dg/cpp/paste5.c new file mode 100644 index 000000000..fd0406674 --- /dev/null +++ b/gcc/testsuite/gcc.dg/cpp/paste5.c @@ -0,0 +1,24 @@ +/* Regression test for bug in convoluted situation involving token paste + plus function-like macros used outside function context. It may be + easier to understand if you mentally replace 'struct' with 'A' + throughout this file; 'struct' is used only to get the code to compile + when preprocessed correctly. + + The original problem was seen in the Linux kernel and reported by + Jakub Jelinek <jakub@redhat.com>; this test is synthetic. */ + +/* { dg-do compile } */ + +#define glue(a,b) a##b +#define struct(x) B(x) +#define E(x) struct x +#define FG (22) + +extern void B(int); + +void foo(void) +{ + E(glue(F,*)) dummy; /* { dg-error "valid preprocessing token" } */ + + E(glue(F,G)) ; +} |