diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/c99-complex-2.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/c99-complex-2.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/c99-complex-2.c b/gcc/testsuite/gcc.dg/c99-complex-2.c new file mode 100644 index 000000000..078e92ae9 --- /dev/null +++ b/gcc/testsuite/gcc.dg/c99-complex-2.c @@ -0,0 +1,22 @@ +/* Test for _Complex: in C99 only. Test for increment and decrement. */ +/* Origin: Joseph Myers <jsm28@cam.ac.uk> */ +/* { dg-do compile } */ +/* { dg-options "-std=iso9899:1999 -pedantic-errors" } */ + +/* Use of ++ and -- on complex types (both prefix and postfix) is a + C99 constraint violation (6.5.2.4p1, 6.5.3.1p1). +*/ + +_Complex double +foo (_Complex double z) +{ + z++; /* { dg-bogus "warning" "warning in place of error" } */ + /* { dg-error "complex" "postinc" { target *-*-* } 13 } */ + ++z; /* { dg-bogus "warning" "warning in place of error" } */ + /* { dg-error "complex" "preinc" { target *-*-* } 15 } */ + z--; /* { dg-bogus "warning" "warning in place of error" } */ + /* { dg-error "complex" "postdec" { target *-*-* } 17 } */ + --z; /* { dg-bogus "warning" "warning in place of error" } */ + /* { dg-error "complex" "predec" { target *-*-* } 19 } */ + return z; +} |