[commit/mips] For elf_flags, use the previous arch

[Andrew Cagney <cagney@gnu.org>]

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Hello,

This fixes a subtle edge case.  Given the sequence:

	(gdb) file foo
	(gdb) set mipsfpu none
	(gdb) file foo

An extra, unnecessary arch was being created after the second "file foo".

committed,
Andrew

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2004-01-07  Andrew Cagney  <cagney@redhat.com>

	* mips-tdep.c (mips_gdbarch_init): Set elf_flags to the previous
	architecture's elf flags (when available).

Index: mips-tdep.c
===================================================================
RCS file: /cvs/src/src/gdb/mips-tdep.c,v
retrieving revision 1.267
diff -u -r1.267 mips-tdep.c
--- mips-tdep.c	8 Jan 2004 04:57:38 -0000	1.267
+++ mips-tdep.c	8 Jan 2004 05:02:23 -0000
@@ -5688,6 +5688,8 @@
   /* First of all, extract the elf_flags, if available.  */
   if (info.abfd && bfd_get_flavour (info.abfd) == bfd_target_elf_flavour)
     elf_flags = elf_elfheader (info.abfd)->e_flags;
+  else if (arches != NULL)
+    elf_flags = gdbarch_tdep (arches->gdbarch)->elf_flags;
   else
     elf_flags = 0;
   if (gdbarch_debug)