File: c90-const-expr-1.c

package info (click to toggle)
gcc-riscv64-unknown-elf 8.3.0.2019.08%2Bdfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 680,956 kB
  • sloc: ansic: 3,237,715; cpp: 896,882; ada: 772,854; f90: 144,254; asm: 68,788; makefile: 67,456; sh: 29,743; exp: 28,045; objc: 15,273; fortran: 11,885; python: 7,369; pascal: 5,375; awk: 3,725; perl: 2,872; yacc: 316; xml: 311; ml: 285; lex: 198; haskell: 122
file content (23 lines) | stat: -rw-r--r-- 873 bytes parent folder | download | duplicates (10) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
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" } */
}