Original patch from: gentoo/src/patchsets/glibc/2.9/1040_all_2.3.3-localedef-fix-trampoline.patch

 -= BEGIN original header =-

 #! /bin/sh -e

 # DP: Description: Fix localedef segfault when run under exec-shield,

 #        PaX or similar. (#231438, #198099)

 # DP: Dpatch Author: James Troup <james@nocrew.org>

 # DP: Patch Author: (probably) Jakub Jelinek <jakub@redhat.com>

 # DP: Upstream status: Unknown

 # DP: Status Details: Unknown

 # DP: Date: 2004-03-16

 if [ $# -ne 2 ]; then

     echo >&2 "`basename $0`: script expects -patch|-unpatch as argument"

     exit 1

 fi

 case "$1" in

     -patch) patch -d "$2" -f --no-backup-if-mismatch -p1 < $0;;

     -unpatch) patch -d "$2" -f --no-backup-if-mismatch -R -p1 < $0;;

     *)

 	echo >&2 "`basename $0`: script expects -patch|-unpatch as argument"

 	exit 1

 esac

 exit 0

 -= END original header =-

 diff -durN glibc-2_9.orig/locale/programs/3level.h glibc-2_9/locale/programs/3level.h

 --- glibc-2_9.orig/locale/programs/3level.h	2007-07-16 02:54:59.000000000 +0200

 +++ glibc-2_9/locale/programs/3level.h	2009-02-02 22:00:54.000000000 +0100

 @@ -203,6 +203,42 @@

  	}

      }

  }

 +

 +/* GCC ATM seems to do a poor job with pointers to nested functions passed

 +   to inlined functions.  Help it a little bit with this hack.  */

 +#define wchead_table_iterate(tp, fn) \

 +do									      \

 +  {									      \

 +    struct wchead_table *t = (tp);					      \

 +    uint32_t index1;							      \

 +    for (index1 = 0; index1 < t->level1_size; index1++)			      \

 +      {									      \

 +	uint32_t lookup1 = t->level1[index1];				      \

 +	if (lookup1 != ((uint32_t) ~0))					      \

 +	  {								      \

 +	    uint32_t lookup1_shifted = lookup1 << t->q;			      \

 +	    uint32_t index2;						      \

 +	    for (index2 = 0; index2 < (1 << t->q); index2++)		      \

 +	      {								      \

 +		uint32_t lookup2 = t->level2[index2 + lookup1_shifted];	      \

 +		if (lookup2 != ((uint32_t) ~0))				      \

 +		  {							      \

 +		    uint32_t lookup2_shifted = lookup2 << t->p;		      \

 +		    uint32_t index3;					      \

 +		    for (index3 = 0; index3 < (1 << t->p); index3++)	      \

 +		      {							      \

 +			struct element_t *lookup3			      \

 +			  = t->level3[index3 + lookup2_shifted];	      \

 +			if (lookup3 != NULL)				      \

 +			  fn ((((index1 << t->q) + index2) << t->p) + index3, \

 +			      lookup3);					      \

 +		      }							      \

 +		  }							      \

 +	      }								      \

 +	  }								      \

 +      }									      \

 +  } while (0)

 +

  #endif

  #ifndef NO_FINALIZE