Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/c90-const-expr-1.c @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 04ced10e8804 |
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/* 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" } */ }