diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/c99-const-expr-1.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/c99-const-expr-1.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/c99-const-expr-1.c b/gcc/testsuite/gcc.dg/c99-const-expr-1.c new file mode 100644 index 000000000..c3082ee38 --- /dev/null +++ b/gcc/testsuite/gcc.dg/c99-const-expr-1.c @@ -0,0 +1,16 @@ +/* Test for constraints on constant expressions. In C90 it is clear that + certain constructs are not permitted in unevaluated parts of an + expression (except in sizeof); in C99 it might fall within implementation + latitude; and if the operands are suitable, diagnostics should not be + issued. +*/ +/* Origin: Joseph Myers <jsm28@cam.ac.uk>; inspired by + http://deja.com/getdoc.xp?AN=524271595&fmt=text by Peter Seebach. +*/ +/* { dg-do compile } */ +/* { dg-options "-std=iso9899:1999 -pedantic-errors" } */ + +/* The comma operator is in a subexpression that is not evaluated, so OK + by C99. In C90 a diagnostic is required since it is not in a sizeof. +*/ +int i = (1 ? 0 : (2, 3)); |