Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.c-torture/execute/pr78170.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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/* { dg-require-effective-target int32plus } */ /* PR tree-optimization/78170. Check that sign-extended store to a bitfield doesn't overwrite other fields. */ int a, b, d; struct S0 { int f0; int f1; int f2; int f3; int f4; int f5:15; int f6:17; int f7:2; int f8:30; } c; void fn1 () { d = b = 1; for (; b; b = a) { struct S0 e = { 0, 0, 0, 0, 0, 0, 1, 0, 1 }; c = e; c.f6 = -1; } } int main () { fn1 (); if (c.f7 != 0) __builtin_abort (); return 0; }