From 1fcfaf375c135079ebea8aa17e726c51c938cc61 Mon Sep 17 00:00:00 2001
From: Dale Johannesen <dalej@apple.com>
Date: Fri, 6 Dec 2002 00:08:11 +0000
Subject: [PATCH] tree.c (unsafe_for_reeval): Consider callee child of
 CALL_EXPR.

2002-12-05  Dale Johannesen  <dalej@apple.com>

        * tree.c (unsafe_for_reeval):  Consider callee child of CALL_EXPR.

From-SVN: r59875
---
 gcc/ChangeLog                     |  4 ++++
 gcc/testsuite/gcc.dg/20021205-1.c | 10 ++++++++++
 gcc/tree.c                        |  5 +++--
 3 files changed, 17 insertions(+), 2 deletions(-)
 create mode 100644 gcc/testsuite/gcc.dg/20021205-1.c

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 683219fd952..dc7a57d47e3 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2002-12-05  Dale Johannesen  <dalej@apple.com>
+
+	* tree.c (unsafe_for_reeval):  Consider callee child of CALL_EXPR.
+
 2002-12-05  Danny Smith  <dannysmith@users.sourceforge.net>
 
 	* config/i386/cygwin.h (SUBTARGET_PROLOGUE): Replace with
diff --git a/gcc/testsuite/gcc.dg/20021205-1.c b/gcc/testsuite/gcc.dg/20021205-1.c
new file mode 100644
index 00000000000..a1876257e2f
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/20021205-1.c
@@ -0,0 +1,10 @@
+/* dg-do compile */
+/* dg-options "-O3" */
+typedef struct x x;
+struct x { char * (*bar) (int); };
+static x **foo() { return ((x**)baz()); }
+int xyzzy()
+{
+    baz((*foo())->bar(0));
+    return 3;
+}
diff --git a/gcc/tree.c b/gcc/tree.c
index dfac289f137..04fddb26dd3 100644
--- a/gcc/tree.c
+++ b/gcc/tree.c
@@ -1634,7 +1634,7 @@ unsafe_for_reeval (expr)
 {
   int unsafeness = 0;
   enum tree_code code;
-  int i, tmp;
+  int i, tmp, tmp2;
   tree exp;
   int first_rtl;
 
@@ -1660,8 +1660,9 @@ unsafe_for_reeval (expr)
       return unsafeness;
 
     case CALL_EXPR:
+      tmp2 = unsafe_for_reeval (TREE_OPERAND (expr, 0));
       tmp = unsafe_for_reeval (TREE_OPERAND (expr, 1));
-      return MAX (tmp, 1);
+      return MAX (MAX (tmp, 1), tmp2);
 
     case TARGET_EXPR:
       unsafeness = 1;