gcc/testsuite/g++.dg/cpp23/attr-assume12.C


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// PR middle-end/110754
// { dg-do compile { target c++11 } }
// { dg-options "-O2 -fdump-tree-optimized" }
// { dg-final { scan-tree-dump-times "a ={v} x" 1 "optimized" } }
// { dg-final { scan-tree-dump-not "={v} a" "optimized" } }
// { dg-final { scan-tree-dump-times "return 0;" 1 "optimized" } }

int
foo (int x)
{
  volatile int a = x;
  [[gnu::assume (x == (a & 0))]];
  return x;
}