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Diffstat (limited to 'gcc/testsuite/gcc.dg/c99-complex-1.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/c99-complex-1.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/c99-complex-1.c b/gcc/testsuite/gcc.dg/c99-complex-1.c new file mode 100644 index 0000000..2e1ba7d --- /dev/null +++ b/gcc/testsuite/gcc.dg/c99-complex-1.c @@ -0,0 +1,33 @@ +/* Test for _Complex: in C99 only. A few basic tests. */ +/* Origin: Joseph Myers <jsm28@cam.ac.uk> */ +/* { dg-do compile } */ +/* { dg-options "-std=iso9899:1999 -pedantic-errors" } */ + +/* Test _Complex allowed on floating types. */ + +float _Complex a; +_Complex float b; +double _Complex c; +_Complex double d; +long double _Complex e; +_Complex long double f; + +/* Plain `_Complex' for complex double is a GNU extension. */ +_Complex g; /* { dg-bogus "warning" "warning in place of error" } */ +/* { dg-error "plain" "plain _Complex" { target *-*-* } 16 } */ + +/* Complex integer types are GNU extensions. */ +_Complex int h; /* { dg-bogus "warning" "warning in place of error" } */ +/* { dg-error "complex integer" "_Complex int" { target *-*-* } 20 } */ +_Complex long i; /* { dg-bogus "warning" "warning in place of error" } */ +/* { dg-error "complex integer" "_Complex long" { target *-*-* } 22 } */ + +/* Use of ~ for complex conjugation is a GNU extension, but a constraint + violation (6.5.3.3p1) in C99. +*/ +_Complex double +foo (_Complex double z) +{ + return ~z; /* { dg-bogus "warning" "warning in place of error" } */ + /* { dg-error "complex conj" "~ for conjugation" { target *-*-* } 31 } */ +} |