Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/c90-scope-1.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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/* Test for new block scopes in C99. Inspired by C99 Rationale (N897). */ /* Origin: Joseph Myers <jsm28@cam.ac.uk> */ /* { dg-do run } */ /* { dg-options "-std=iso9899:1990 -pedantic-errors" } */ struct foo { char a; }; extern void abort (void); extern void exit (int); int sfoo (void) { if (sizeof (struct foo { int a; double b; char *c; void *d; })) (void) 0; return sizeof (struct foo); } int main (void) { int t, u; t = sfoo (); u = sizeof (struct foo); /* With C90 scoping rules the new declaration of struct foo is in scope above; with C99 it is local to the if. */ if (t == u) abort (); /* C99 rules apply. */ else exit (0); /* C90 rules apply. */ }