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Diffstat (limited to 'gcc/testsuite/gcc.dg/transparent-union-3.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/transparent-union-3.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/transparent-union-3.c b/gcc/testsuite/gcc.dg/transparent-union-3.c new file mode 100644 index 000000000..25d186956 --- /dev/null +++ b/gcc/testsuite/gcc.dg/transparent-union-3.c @@ -0,0 +1,22 @@ +/* Test for ICEs on invalid transparent unions (empty or no named + members). Bug 21213. */ +/* Origin: Joseph Myers <joseph@codesourcery.com> */ +/* { dg-do compile } */ +/* { dg-options "" } */ + +enum e { A }; + +union __attribute__((__transparent_union__)) ue1 { enum e; }; /* { dg-warning "declaration does not declare anything" } */ +/* { dg-warning "union cannot be made transparent" "" { target *-*-* } 9 } */ +union ue2 { enum e; } __attribute__((__transparent_union__)); /* { dg-warning "declaration does not declare anything" } */ +/* { dg-warning "union cannot be made transparent" "" { target *-*-* } 11 } */ + +union __attribute__((__transparent_union__)) ui1 { int; }; /* { dg-warning "declaration does not declare anything" } */ +/* { dg-warning "union cannot be made transparent" "" { target *-*-* } 14 } */ +union ui2 { int; } __attribute__((__transparent_union__)); /* { dg-warning "declaration does not declare anything" } */ +/* { dg-warning "union cannot be made transparent" "" { target *-*-* } 16 } */ + +union __attribute__((__transparent_union__)) u1 { }; +/* { dg-warning "union cannot be made transparent" "" { target *-*-* } 19 } */ +union u2 { } __attribute__((__transparent_union__)); +/* { dg-warning "union cannot be made transparent" "" { target *-*-* } 21 } */ |