[patch,testsuite,applied] Fix test case for PR122212

[Georg-Johann Lay]

The test case of PR12212 passed -1u for a value that has all
uint32_t bits set, which doesn't work for int < 32 bit.
Applied as obvious.
Johann

--

ad PR122212: Fix test case for 16-bit int targets.

        PR testsuite/122212
        PR testsuite/52641
gcc/testsuite/
        * gcc.dg/torture/pr122212.c: Pass 0xffffffff instead of -1u
        for all bits set in uint32_t.

diff --git a/gcc/testsuite/gcc.dg/torture/pr122212.c 
b/gcc/testsuite/gcc.dg/torture/pr122212.c
index 01a66313bbb..92689d28c81 100644
--- a/gcc/testsuite/gcc.dg/torture/pr122212.c
+++ b/gcc/testsuite/gcc.dg/torture/pr122212.c
@@ -22,7 +22,7 @@ int main()
 {
   if (ZSTD_countLeadingZeros32_fallback (0) != 31)
     __builtin_abort ();
-  if (ZSTD_countLeadingZeros32_fallback (-1U) != 0)
+  if (ZSTD_countLeadingZeros32_fallback (0xffffffff) != 0)
     __builtin_abort ();
   return 0;
 }