[PATCH] Fix objc/23306, objc exceptions vs unit-at-a-time

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

The problem here is that we don't finalize the decl on the string
which are generated when lowering the eh expressions.  This fixes the 
issue by
finalize the decl in add_objc_string instead doing that after the file 
has
finished parsing.  This is also one more step to adding back IMA for 
objc.

I had to fix a testcase as it was not getting what it had thought was 
expected.
There was a string in-between now but really we did not need to test 
for that so
I removed that part.

OK? Bootstrapped and tested on powerpc-darwin and x86_64-linux-gnu with 
no
regressions.

Thanks,
Andrew Pinski

objc/ChangeLog:
	* objc-act.c (generate_strings): Remove and move code to
	finish decl to ...
	(add_objc_string): here when creating a new string decl.
	(finish_objc): Don't call generate_strings.

testsuite/ChangeLog
	* objc.dg/image-info.m: Remove "objc_module_info" check part of the
	scan-assmbler.

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