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Diffstat (limited to 'gcc/testsuite/gcc.dg/c90-const-expr-1.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/c90-const-expr-1.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/c90-const-expr-1.c b/gcc/testsuite/gcc.dg/c90-const-expr-1.c new file mode 100644 index 000000000..e4c27ac45 --- /dev/null +++ b/gcc/testsuite/gcc.dg/c90-const-expr-1.c @@ -0,0 +1,23 @@ +/* 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. +*/ +/* 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=iso9899:1990 -pedantic-errors" } */ + +extern int bar (void); + +void +foo (void) +{ + int i; + static int j = (1 ? 0 : (i = 2)); /* { dg-error "initial" "assignment" } */ + static int k = (1 ? 0 : ++i); /* { dg-error "initial" "increment" } */ + static int l = (1 ? 0 : --i); /* { dg-error "initial" "decrement" } */ + static int m = (1 ? 0 : bar ()); /* { dg-error "initial" "function call" } */ + static int n = (1 ? 0 : (2, 3)); /* { dg-error "initial" "comma" } */ +} |