From: Richard Stallman <rms@gnu.org>
Date: Tue, 2 Jun 1992 21:28:08 +0000 (+0000)
Subject: *** empty log message ***
X-Git-Tag: misc/cutover-egcs-0~12790
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=6a5293dc3b4d474983e8f57429fc9035bc3bf381;p=thirdparty%2Fgcc.git

*** empty log message ***

From-SVN: r1141
---

diff --git a/gcc/cse.c b/gcc/cse.c
index 4a51d4221793..c863d3c2f9fd 100644
--- a/gcc/cse.c
+++ b/gcc/cse.c
@@ -7432,6 +7432,14 @@ cse_basic_block (from, to, next_branch, around_loop)
 	  if (JUMP_LABEL (insn) == to)
 	    to_usage = 1;
 
+	  /* Maybe TO was deleted because the jump is unconditional.
+	     If so, there is nothing left in this basic block.  */
+	  /* ??? Perhaps it would be smarter to set TO
+	     to whatever follows this insn, 
+	     and pretend the basic block had always ended here.  */
+	  if (INSN_DELETED_P (to))
+	    break;
+
 	  insn = PREV_INSN (to);
 	}