(subst_constants, case SUBREG): Cancel changes once done with result.

From-SVN: r14002

(subst_constants, case SUBREG): Cancel changes once done with result.
From-SVN: r14002
26986265 · Richard Kenner · 5ef37cd3 · 26986265
Commit 26986265 authored May 01, 1997 by Richard Kenner
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gcc/integrate.c
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--- a/gcc/integrate.c
+++ b/gcc/integrate.c
@@ -2717,6 +2717,7 @@ subst_constants (loc, insn, map)
 	    new = operand_subword (inner, SUBREG_WORD (x), 0,
 				   GET_MODE (SUBREG_REG (x)));
+	  cancel_changes (num_changes);
 	  if (new == 0 && subreg_lowpart_p (x))
 	    new = gen_lowpart_common (GET_MODE (x), inner);