[gcc r13-5139] testsuite: Add testcase for PR that went latent in GCC 13 [PR107131]

[gcc r13-5139] testsuite: Add testcase for PR that went latent in GCC 13 [PR107131]

[Jakub Jelinek]

https://gcc.gnu.org/g:add71b95dd27d73d64eee0a9c8f748672b7050f5

commit r13-5139-gadd71b95dd27d73d64eee0a9c8f748672b7050f5
Author: Jakub Jelinek <jakub@redhat.com>
Date:   Fri Jan 13 11:13:22 2023 +0100

    testsuite: Add testcase for PR that went latent in GCC 13 [PR107131]
    
    The following testcase is probably latent since r13-3217-gc4d15dddf6b9e.
    Adding testcase so that it doesn't silently reappear.
    
    2023-01-13  Jakub Jelinek  <jakub@redhat.com>
    
            PR target/107131
            * gcc.dg/pr107131.c: New test.

Diff:
---
 gcc/testsuite/gcc.dg/pr107131.c | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/gcc/testsuite/gcc.dg/pr107131.c b/gcc/testsuite/gcc.dg/pr107131.c
new file mode 100644
index 00000000000..458b128f885
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr107131.c
@@ -0,0 +1,30 @@
+/* PR target/107131 */
+/* { dg-do run } */
+/* { dg-options "-Os -fno-ipa-vrp -fno-tree-bit-ccp -Wno-psabi" } */
+
+typedef unsigned char C;
+typedef unsigned long long __attribute__((__vector_size__ (32))) U;
+typedef unsigned long long __attribute__((__vector_size__ (64))) V;
+
+static __attribute__((__noclone__)) C
+foo (C o, U x, U y, U z)
+{
+  V a = __builtin_shufflevector (x, x, 3, 1, 3, 0, 0, 1, 1, 3);
+  V b = (V) { } >= o;
+  V c = b <= (V)(b >= (V) { 0, 0, 0, 0, 0, 0x90DF0BE3990AC871ULL });
+  U d = __builtin_shufflevector (y, z, 3, 1, 4, 5);
+  V e = a + c;
+  U f = ((union { V v; U u[2]; }) e).u[1] + d;
+  return ((union { U u; C c[32]; }) f).c[9];
+}
+
+int
+main ()
+{
+  if (__SIZEOF_LONG_LONG__ != 8 || __CHAR_BIT__ != 8)
+    return 0;
+  C x = foo (0, (U) { }, (U) { }, (U) { });
+  if (x != 0xff)
+    __builtin_abort();  
+  return 0;
+}