diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/cpp/tr-warn6.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/cpp/tr-warn6.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/cpp/tr-warn6.c b/gcc-4.9/gcc/testsuite/gcc.dg/cpp/tr-warn6.c new file mode 100644 index 000000000..d95409ef8 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/cpp/tr-warn6.c @@ -0,0 +1,27 @@ +/* Test for -Wtraditional warnings for stringification of macro args. + Note, gcc should omit these warnings in system header files. + By Kaveh R. Ghazi <ghazi@caip.rutgers.edu> 9/8/2000. */ +/* { dg-do preprocess } */ +/* { dg-options "-Wtraditional" } */ + +#define foo1(h) sdf "h3" fds "h" /* { dg-warning "macro argument \"h\" would be stringified" "traditional stringification" } */ +#define foo2(h2) sdf "h2" fds "h3" /* { dg-warning "macro argument \"h2\" would be stringified" "traditional stringification" } */ +#define foo3(h3) sdf "h2" fds "h3" /* { dg-warning "macro argument \"h3\" would be stringified" "traditional stringification" } */ +#define foo4(h) sdf 'h3' fds 'h' /* { dg-warning "macro argument \"h\" would be stringified" "traditional stringification" } */ +#define foo5(h2) sdf 'h2' fds 'h3' /* { dg-warning "macro argument \"h2\" would be stringified" "traditional stringification" } */ +#define foo6(h3) sdf 'h2' fds 'h3' /* { dg-warning "macro argument \"h3\" would be stringified" "traditional stringification" } */ +#define foo7(AA, hello, world, EEE) sdf "A B hello C,world,DhelloE F" fds EEE /* { dg-warning "macro argument \"hello\" would be stringified" "traditional stringification" } */ + +/* Catch the second warning from the above line. */ +/* { dg-warning "macro argument \"world\" would be stringified" "traditional stringification second warning" { target *-*-* } 13 } */ + +# 19 "sys-header.h" 3 +/* We are in system headers now, no -Wtraditional warnings should issue. */ + +#define bar1(h) sdf "h3" fds "h" +#define bar2(h2) sdf "h2" fds "h3" +#define bar3(h3) sdf "h2" fds "h3" +#define bar4(h) sdf 'h3' fds 'h' +#define bar5(h2) sdf 'h2' fds 'h3' +#define bar6(h3) sdf 'h2' fds 'h3' +#define bar7(AA, hello, world, EEE) sdf "A B hello C,world,DhelloE F" fds EEE |