[Committed] Fix new ivopts-[89].c test cases for -m32.

2021-11-27  Roger Sayle  <roger@nextmovesoftware.com>

gcc/testsuite/ChangeLog
	* gcc.dg/tree-ssa/ivopts-8.c: Fix new test case for -m32.
	* gcc.dg/tree-ssa/ivopts-9.c: Likewise.