Tweak testcase for PR tree-optimization/101403.

Initialize unused variable u in compound expression.  Committed as obvious.

2021-07-12  Roger Sayle  <roger@nextmovesoftware.com>
	    Jakub Jelinek  <jakub@redhat.com>

gcc/testsuite/ChangeLog
	PR tree-optimization/101403
	* gcc.dg/pr101403.c: Avoid (unimportant) uninitialized variable.

diff --git a/gcc/testsuite/gcc.dg/pr101403.c b/gcc/testsuite/gcc.dg/pr101403.c
index ac5fa7944dc290e1b6ebb16bfecc2153b93d2e58..88df112e919c6473494dc15ffa66b6391d9960cc 100644 (file)
--- a/gcc/testsuite/gcc.dg/pr101403.c
+++ b/gcc/testsuite/gcc.dg/pr101403.c
@@ -2,7 +2,7 @@
 /* { dg-options "-O2" } */
 unsigned int foo (unsigned int a)
 {
-  unsigned int u;
+  unsigned int u = 0;
   unsigned short b = __builtin_bswap16 (a);
   return b >> (u, 12);
 }