/* 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 ; 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" } */ }