------- Comment #23 from howarth at nitro dot med dot uc dot edu 2009-10-02
05:00 -------
Oddly...
Index: config/darwin.c
===================================================================
--- config/darwin.c (revision 152389)
+++ config/darwin.c (working copy)
@@ -1697,6 +1697,9 @@
if (dwarf_strict < 0)
dwarf_strict = 1;
+ if (flag_unwind_tables)
+ flag_reorder_blocks_and_partition = 0;
+
if (flag_mkernel || flag_apple_kext)
{
/* -mkernel implies -fapple-kext for C++ */
doesn't solve the problem. However if I manually revert...
--- /Users/howarth/gcc/gcc/opts.c 2009-09-28 19:33:18.000000000 -0400
+++ opts.c 2009-10-02 00:51:55.000000000 -0400
@@ -1054,12 +1054,7 @@
optimization. */
if (flag_unwind_tables && ! targetm.unwind_tables_default
- && flag_reorder_blocks_and_partition
- && (USING_SJLJ_EXCEPTIONS
-#ifdef TARGET_UNWIND_INFO
- || 1
-#endif
- ))
+ && flag_reorder_blocks_and_partition)
{
inform (input_location,
"-freorder-blocks-and-partition does not support unwind info on
this architecture");
The failures are reduced down to just...
FAIL: g++.dg/tree-prof/partition1.C compilation, -fprofile-use
with the same error as before...
/var/tmp//ccMjlW9T.s:620:FATAL:Symbol __Z3bari.eh already defined.compiler
exited with status 1output is:/var/tmp//ccMjlW9T.s:620:FATAL:Symbol __Z3bari.eh
already defined.
Perhaps there is another instance of flag_reorder_blocks_and_partition being
reset to 1 in the -fprofile-use case?
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41313
