[Bug rtl-optimization/108681] [13 Regression] gcc hangs compiling opencv/channels_combine.cpp for aarch64

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108681

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2023-02-06
                 CC|                            |jakub at gcc dot gnu.org

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Reduced testcase (-O2):
#pragma GCC aarch64 "arm_neon.h"
typedef __Int64x1_t int64x1_t;
void foo (int64x1x4_t);

void
bar (int64x1_t a)
{
  for (;;) {
    int64x1x4_t b;
    b.val[3] = a;
    foo (b);
  }
}