[Bug middle-end/61112] Simple example triggers false-positive -Wmaybe-uninitialized warning

[manu at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61112

--- Comment #9 from Manuel López-Ibáñez <manu at gcc dot gnu.org> ---
(In reply to Martin Sebor from comment #8)
> I've added both the passing test case from comment #0 and the still failing
> test case from comment #5 to the test suite and xfailed the latter (thus
> reconfirming for GCC 11).  Without any further analysis, the comment #5 test
> case also looks similar to pr99756.

I think the '||' is a red-herring or insufficient to explain the PR. The
following also warns:

int p;
void foo (int x, int y, int z, int a)
{
  int w;
  if (x)
    w = z;
  if (y)
    w = 10;
  if (a)
    w = 67;
  if (x)
    p = w;
}