From: Jason Merrill <jason@redhat.com>
Date: Tue, 9 Apr 2002 17:01:59 +0000 (-0400)
Subject: re PR rtl-optimization/6189 (Regression from 3.0.x: g++ -O3 generates wrong code)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=edf5cd1d1d776d7eb0d2d423216a38d4cac21103;p=gcc.git

re PR rtl-optimization/6189 (Regression from 3.0.x: g++ -O3 generates wrong code)

        PR optimization/6189
        * semantics.c (genrtl_start_function): Don't free
        DECL_SAVED_FUNCTION_DATA for inline functions.

From-SVN: r52082
---

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index c0477bdf96c..1f30899d935 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,5 +1,9 @@
 2002-04-09  Jason Merrill  <jason@redhat.com>
 
+	PR optimization/6189
+	* semantics.c (genrtl_start_function): Don't free
+	DECL_SAVED_FUNCTION_DATA for inline functions.
+
 	* init.c (build_member_call): For now, don't convert to
 	intermediate base if it would cause an error.
 
diff --git a/gcc/cp/semantics.c b/gcc/cp/semantics.c
index 39f9567d063..fb6e1823e75 100644
--- a/gcc/cp/semantics.c
+++ b/gcc/cp/semantics.c
@@ -2470,9 +2470,14 @@ genrtl_start_function (fn)
       if (!current_function_cannot_inline)
 	current_function_cannot_inline = cp_function_chain->cannot_inline;
 
-      /* We don't need the saved data anymore.  */
-      free (DECL_SAVED_FUNCTION_DATA (fn));
-      DECL_SAVED_FUNCTION_DATA (fn) = NULL;
+      /* We don't need the saved data anymore.  Unless this is an inline
+         function; we need the named return value info for
+         cp_copy_res_decl_for_inlining.  */
+      if (! DECL_INLINE (fn))
+	{
+	  free (DECL_SAVED_FUNCTION_DATA (fn));
+	  DECL_SAVED_FUNCTION_DATA (fn) = NULL;
+	}
     }
 
   /* Keep track of how many functions we're presently expanding.  */