bfd:
2007-11-16  Tristan Gingold  <gingold@adacore.com>

	* elflink.c (elf_link_output_extsym): Weaken assertion: if --gc-section
	is set, there may be no TLS segment.

ld/testsuite:
2007-11-16  Tristan Gingold  <gingold@adacore.com>

	* ld-elf/tls_gc.s: New test.
	* ld-elf/elf.exp: Add tls_gc test.

*** bfd/elflink.c	31 Oct 2007 07:36:46 -0000	1.285
--- bfd/elflink.c	16 Nov 2007 10:43:20 -0000
*************** elf_link_output_extsym (struct elf_link_
*** 8542,8549 ****
  		  {
  		    /* STT_TLS symbols are relative to PT_TLS segment
  		       base.  */
! 		    BFD_ASSERT (elf_hash_table (finfo->info)->tls_sec != NULL);
! 		    sym.st_value -= elf_hash_table (finfo->info)->tls_sec->vma;
  		  }
  	      }
  	  }
--- 8542,8556 ----
  		  {
  		    /* STT_TLS symbols are relative to PT_TLS segment
  		       base.  */
! 		    asection *tls_sec = elf_hash_table (finfo->info)->tls_sec;
! 		    if (tls_sec != NULL)
! 		      sym.st_value -= tls_sec->vma;
! 		    else
! 		      {
! 			/* The TLS section may have been garbage collected.  */
! 			BFD_ASSERT (finfo->info->gc_sections
! 				    && !input_sec->gc_mark);
! 		      }
  		  }
  	      }
  	  }
*** ld/testsuite/ld-elf/elf.exp	28 Aug 2007 13:21:57 -0000	1.12
--- ld/testsuite/ld-elf/elf.exp	16 Nov 2007 10:43:26 -0000
*************** if { [istarget *-*-linux*] } {
*** 53,58 ****
--- 53,66 ----
      }
  }
  
+ # The following tests require --gc-section
+ if { ![istarget ia64-*-*] } {
+     run_ld_link_tests {
+         {"--gc-sections on tls variable"
+             "--gc-section" "" {tls_gc.s} {} "tls_gc"}
+     }
+ }
+ 
  # The following tests require running the executable generated by ld.
  if ![isnative] {
      return
*** /dev/null	2004-06-30 22:03:36.000000000 +0200
--- ld/testsuite/ld-elf/tls_gc.s	2007-11-16 11:08:40.000000000 +0100
***************
*** 0 ****
--- 1,16 ----
+ 	.globl main
+ 	.globl start
+ 	.globl _start
+ 	.globl __start
+ 	.text
+ main:
+ start:
+ _start:
+ __start:
+ 	.byte 0
+ 	.globl var
+ 	.section	.tbss.var,"awT",%nobits
+ 	.type	var,%object
+ 	.size	var,1
+ var:
+ 	.zero	1