call.c (standard_conversion): Use RVALUE_CONVs for all expressions that satisfy lvalue_p...

	* call.c (standard_conversion): Use RVALUE_CONVs for all
	expressions that satisfy lvalue_p, not just those that satisfy
	real_lvalue_p.

From-SVN: r37013

gcc/cp/ChangeLog

 2000-10-22  Mark Mitchell  <mark@codesourcery.com>
 
+	* call.c (standard_conversion): Use RVALUE_CONVs for all
+	expressions that satisfy lvalue_p, not just those that satisfy
+	real_lvalue_p.
+
 	* optimize.c (copy_body_r): Don't treat CALL_EXPRs specially.
 
 	* typeck.c (c_sizeof): Return an expression of `size_t' type, 

gcc/cp/call.c

@@ -685,7 +685,7 @@ standard_conversion (to, from, expr)
       fcode = TREE_CODE (from);
       conv = build_conv (LVALUE_CONV, from, conv);
     }
-  else if (fromref || (expr && real_lvalue_p (expr)))
+  else if (fromref || (expr && lvalue_p (expr)))
     conv = build_conv (RVALUE_CONV, from, conv);
 
    /* Allow conversion between `__complex__' data types  */

gcc/testsuite/g++.old-deja/g++.other/dtor11.C

+// Origin: Mark Mitchell <mark@codesourcery.com>
+
+extern "C" void abort ();
+
+int j;
+
+struct S {
+  S () { ++j; }
+  S (const S&) { ++j; }
+  ~S () {
+    if (--j < 0)
+      abort ();
+   }
+};
+
+struct T {
+  void g (S) {
+  };
+};
+
+struct U {
+  int i;
+  S s;
+};
+
+U u;
+
+U f () { return u; }
+
+int main ()
+{
+  T t;
+  t.g (f ().s);
+}