testsuite/52641 - Fix gcc.dg/signbit-6.c for int != 32-bit targets.

	PR testsuite/52641
gcc/testsuite/
	* gcc.dg/signbit-6.c (main): Initialize a[0] and b[0]
	with INT32_MIN (instead of with INT_MIN).

diff --git a/gcc/testsuite/gcc.dg/signbit-6.c b/gcc/testsuite/gcc.dg/signbit-6.c
index da186624cfa057dfc3780c8af4f6b1335ba07e7e..3a522893222d067eb68e242e48789b2f919fbebb 100644 (file)
--- a/gcc/testsuite/gcc.dg/signbit-6.c
+++ b/gcc/testsuite/gcc.dg/signbit-6.c
@@ -38,8 +38,10 @@ int main ()
   TYPE a[N];
   TYPE b[N];
 
-  a[0] = INT_MIN;
-  b[0] = INT_MIN;
+  /* This will invoke UB due to -INT32_MIN.  The test is supposed to pass
+     because GCC is supposed to handle this UB case in a predictable way.  */
+  a[0] = INT32_MIN;
+  b[0] = INT32_MIN;
 
   for (int i = 1; i < N; ++i)
     {