[Bug c/93573] [8/9/10 Regression] internal compiler error: in force_constant_size, at gimplify.c:733

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93573

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 48135
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48135&action=edit
gcc10-pr93573.patch

For the error-recovery ICE, we can just make sure that after errors the type
isn't assumed to be VLA.

Unfortunately:
void bar ();

void
foo (char a, int b)
{
  union C { int d[b]; char *e; };
  bar ((union C) &a);
}

still ICEs.