arm-symbianelf segfault

[Alan Modra]

Yes, the target is marked obsolete due to this and other segfaults,
but this one is easy enough to fix.

	* elf32-arm.c (elf32_arm_final_link_relocate): Don't segfault
	on sym_sec not being output.

diff --git a/bfd/elf32-arm.c b/bfd/elf32-arm.c
index 8fec76e4e1..24991898f7 100644
--- a/bfd/elf32-arm.c
+++ b/bfd/elf32-arm.c
@@ -10595,7 +10595,9 @@ elf32_arm_final_link_relocate (reloc_howto_type *	    howto,
 		    osec = sym_sec->output_section;
 		  else
 		    osec = input_section->output_section;
-		  symbol = elf_section_data (osec)->dynindx;
+		  symbol = 0;
+		  if (osec && elf_section_data (osec))
+		    symbol = elf_section_data (osec)->dynindx;
 		  if (symbol == 0)
 		    {
 		      struct elf_link_hash_table *htab = elf_hash_table (info);

-- 
Alan Modra
Australia Development Lab, IBM