for  gcc/ChangeLog
from  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/41232
	* tree-ssa-phiopt.c (minmax_replacement): Skip debug stmts
	in the middle block.

for  gcc/testsuite/ChangeLog
from  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/41232
	* gcc.dg/pr41232.c: New.

Index: gcc/testsuite/gcc.dg/pr41232.c
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ gcc/testsuite/gcc.dg/pr41232.c	2009-09-07 19:15:35.000000000 -0300
@@ -0,0 +1,14 @@
+/* { dg-do compile } */
+/* { dg-options "-O1 -g" } */
+extern int atoi (const char *);
+extern int sprintf (char *, const char *, ...);
+void malloc_init() {
+  char *cptr;
+  char buf[1];
+  int tmbd = atoi(cptr);
+  if (tmbd > 0)
+    tmbd = (tmbd <= 124) ? tmbd : 124;
+   else
+    tmbd = 0;
+   sprintf(buf, "%d\n", tmbd);
+}
Index: gcc/tree-ssa-phiopt.c
===================================================================
--- gcc/tree-ssa-phiopt.c.orig	2009-09-07 19:00:29.000000000 -0300
+++ gcc/tree-ssa-phiopt.c	2009-09-07 19:15:35.000000000 -0300
@@ -848,7 +848,7 @@ minmax_replacement (basic_block cond_bb,
 
       /* Move the statement from the middle block.  */
       gsi = gsi_last_bb (cond_bb);
-      gsi_from = gsi_last_bb (middle_bb);
+      gsi_from = gsi_last_nondebug_bb (middle_bb);
       gsi_move_before (&gsi_from, &gsi);
     }