re PR target/38706 (../../../../src/libstdc++-v3/src/strstream.cc:419: internal…

re PR target/38706 (../../../../src/libstdc++-v3/src/strstream.cc:419: internal compiler error: Segmentation fault)

	PR target/38706
	* config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
	free_after_compilation when outputting a thunk.
	(alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
	Do not call free_after_compilation here.

testsuite/ChangeLog:

	PR target/38706
	* g++.dg/other/pr38706.C: New test.

From-SVN: r143167

gcc/ChangeLog

 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
 
+	PR target/38706
+	* config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
+	free_after_compilation when outputting a thunk.
+	(alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
+	Do not call free_after_compilation here.
+
+2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
+
 	* config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
-	(ix86_target_string): Ditto.
 	(ix86_valid_target_attribute_inner_p): Ditto.
 
 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>

gcc/config/alpha/alpha.c

 /* Subroutines used for code generation on the DEC Alpha.
    Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
-   2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+   2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
+   Free Software Foundation, Inc.
    Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
 
 This file is part of GCC.
@@ -8272,6 +8273,11 @@ alpha_end_function (FILE *file, const char *fnname, tree decl ATTRIBUTE_UNUSED)
   if (GET_CODE (insn) == CALL_INSN)
     output_asm_insn (get_insn_template (CODE_FOR_nop, NULL), NULL);
 
+#if TARGET_ABI_OSF
+  if (crtl->is_thunk)
+    free_after_compilation (cfun);
+#endif
+
 #if TARGET_ABI_OPEN_VMS
   alpha_write_linkage (file, fnname, decl);
 #endif
@@ -8311,6 +8317,8 @@ alpha_output_mi_thunk_osf (FILE *file, tree thunk_fndecl ATTRIBUTE_UNUSED,
   HOST_WIDE_INT hi, lo;
   rtx this_rtx, insn, funexp;
 
+  gcc_assert (crtl->is_thunk);
+
   /* We always require a valid GP.  */
   emit_insn (gen_prologue_ldgp ());
   emit_note (NOTE_INSN_PROLOGUE_END);
@@ -8392,7 +8400,6 @@ alpha_output_mi_thunk_osf (FILE *file, tree thunk_fndecl ATTRIBUTE_UNUSED,
   final_start_function (insn, file, 1);
   final (insn, file, 1);
   final_end_function ();
-  free_after_compilation (cfun);
 }
 #endif /* TARGET_ABI_OSF */
 

gcc/testsuite/ChangeLog

+2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR target/38706
+	* g++.dg/other/pr38706.C: New test.
+
 2009-01-07  Jason Merrill  <jason@redhat.com>
 
 	* g++.dg/cpp0x/variadic92.C: New test.

gcc/testsuite/g++.dg/other/pr38706.C

+// PR target/38706
+// { dg-do compile }
+// { dg-options "-O2" }
+
+class ios_base
+{
+public:
+  virtual ~ios_base ();
+
+};
+
+class istrstream:virtual public ios_base
+{
+public:
+  virtual ~istrstream ();
+
+};
+
+istrstream::~istrstream () {}