re PR bootstrap/43596 (Failed to boostrap)

PR bootstrap/43596 * cselib.c (cselib_process_insn): Clear cselib_current_insn even before returning from label, setjmp call or volatile asm handling. From-SVN: r157869

re PR bootstrap/43596 (Failed to boostrap)
PR bootstrap/43596 * cselib.c (cselib_process_insn): Clear cselib_current_insn even before returning from label, setjmp call or volatile asm handling. From-SVN: r157869
2080bd29 · Jakub Jelinek · Jakub Jelinek · 33283dad · 2080bd29 · 2080bd29
Commit 2080bd29 authored Mar 31, 2010 by Jakub Jelinek Committed by Jakub Jelinek Mar 31, 2010
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gcc/ChangeLog
+7 -0

gcc/cselib.c
+3 -2

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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
+2010-03-31  Jakub Jelinek  <jakub@redhat.com>
+
+	PR bootstrap/43596
+	* cselib.c (cselib_process_insn): Clear cselib_current_insn
+	even before returning from label, setjmp call or volatile asm
+	handling.
+
 2010-03-31  Richard Guenther  <rguenther@suse.de>

 	PR middle-end/43600

--- a/gcc/cselib.c
+++ b/gcc/cselib.c
@@ -2155,12 +2155,13 @@ cselib_process_insn (rtx insn)
 	  && MEM_VOLATILE_P (PATTERN (insn))))
    {
      cselib_reset_table (next_uid);
+      cselib_current_insn = NULL_RTX;
      return;
    }

  if (! INSN_P (insn))
    {
-      cselib_current_insn = 0;
+      cselib_current_insn = NULL_RTX;
      return;
    }

@@ -2202,7 +2203,7 @@ cselib_process_insn (rtx insn)
      if (GET_CODE (XEXP (x, 0)) == CLOBBER)
 	cselib_invalidate_rtx (XEXP (XEXP (x, 0), 0));

-  cselib_current_insn = 0;
+  cselib_current_insn = NULL_RTX;

  if (n_useless_values > MAX_USELESS_VALUES
      /* remove_useless_values is linear in the hash table size.  Avoid