*** empty log message ***

From-SVN: r489

diff --git a/gcc/integrate.c b/gcc/integrate.c
index 03cbaf4c4ccc5db295a913078456fa08da8b9f6b..d326ac14ee7700b6bcefef7acbda697758c8bf62 100644 (file)
--- a/gcc/integrate.c
+++ b/gcc/integrate.c
@@ -260,11 +260,18 @@ initialize_for_inline (fndecl, min_labelno, max_labelno, max_reg, copy)
       rtx p = DECL_RTL (parms);
 
       if (GET_CODE (p) == MEM && copy)
-       /* Copy the rtl so that modifications of the address
-          later in compilation won't affect this arg_vector.
-          Virtual register instantiation can screw the address
-          of the rtl.  */
-       DECL_RTL (parms) = copy_rtx (p);
+       {
+         /* Copy the rtl so that modifications of the addresses
+            later in compilation won't affect this arg_vector.
+            Virtual register instantiation can screw the address
+            of the rtl.  */
+         rtx new = copy_rtx (p);
+
+         /* Don't leave the old copy anywhere in this decl.  */
+         if (DECL_RTL (parms) == DECL_INCOMING_RTL (parms))
+           DECL_INCOMING_RTL (parms) = new;
+         DECL_RTL (parms) = new;
+       }
 
       RTVEC_ELT (arg_vector, i) = p;