[PATH] fix c/10962, slow lookup_field

[Andrew Pinski <pinskia at physics dot uc dot edu>]

This patch just adds back stuff that were removed when support for 
anonymous structs/unions.

Bootstrapped on powerpc-apple-darwin and checked that it removes the 
slow part:

[omni:~/src/gccPRs/10760] pinskia% sh biggen.sh 10000>big.c
[omni:~/src/gccPRs/10760] pinskia% time gcc big.c -S
3.400u 0.190s 0:03.67 97.8%     0+0k 0+2io 0pf+0w
[omni:~/src/gccPRs/10760] pinskia% sh biggen.sh 20000>big.c
[omni:~/src/gccPRs/10760] pinskia% time gcc big.c -S
7.990u 0.390s 0:08.71 96.2%     0+0k 0+2io 0pf+0w


ChangeLog:
2003-05-25  Andrew Pinski  <pinskia@physics.uc.edu>
	
	PR c/10962
	* c-decl.c (field_decl_cmp): Add back function.
	(finish_struct): Sort fields if number greater than 15
	and no anymous structs/unions.

Patch:

Attachment: fixPR10962.diff
Description: Binary data

Thanks,
Andrew Pinski