diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/c90-array-lval-7.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/c90-array-lval-7.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/c90-array-lval-7.c b/gcc/testsuite/gcc.dg/c90-array-lval-7.c new file mode 100644 index 0000000..ee8da4c --- /dev/null +++ b/gcc/testsuite/gcc.dg/c90-array-lval-7.c @@ -0,0 +1,23 @@ +/* Test for non-lvalue arrays: test that C90 does not allow them in + conditional expressions, while in C99 they decay and are + allowed. */ + +/* Origin: Joseph Myers <jsm@polyomino.org.uk> */ +/* { dg-do compile } */ +/* { dg-options "-std=iso9899:1990 -pedantic-errors" } */ + +struct s { char c[1]; }; +struct s a, b, c; +int d; +int e; + +void +bar (void) +{ + /* In C90, the non-lvalue arrays do not decay to pointers, and + 6.3.15 does not permit conditional expressions between arrays. + In C99, they decay to pointers. */ + (e ? (d ? b : c).c : (e ? b : c).c); /* { dg-bogus "warning" "warning in place of error" } */ +} + +/* { dg-error "array" "bad conditional" { target *-*-* } 20 } */ |