objective-c++ patch to fix meta-data generation due to iterative template instantiation

[Fariborz Jahanian]

This patch addresses an objective-c++ problem in which not all  
objective-c++'s meta-data is generated due to pending instantiations.  
This results in assembler putting out errors on used but undefined  
symbols in the attached test case. Current objective-c++  
implementation does one iteration
of instantiation. This patch calls a new routine (which is code  
pulled out of cp_finish_file) to iterate through all instantiations  
before generating the meta-data. The cp/decl2.c change is merely  
pulling out the iterative instantiation code from cp_finish_file and  
turning it into a function which both cp_finish_file and  
objc_finish_file call.

This patch is dejagnu tested on apple-ppc-darwin.

OK for check-in inito the current 4.3 trunk?

- Fariborz (fjahanian@apple.com)

cp/ChangeLog:

2006-10-04  Fariborz Jahanian <fjahanian@apple.com>

         * decl2.c (emit_instantiate_pending_templates): New function.
         (cp_finish_file): Call to emit_instantiate_pending_templates
         replaces inlined code.
         * decl.h (emit_instantiate_pending_templates): Declare.

2006-10-04  Fariborz Jahanian <fjahanian@apple.com>

         * objc-act.c (objc_finish_file): Replace  
instantiate_pending_templates
         with emit_instantiate_pending_templates.
         * objc-act.h (emit_instantiate_pending_templates): Declare.

testsuite/ChangeLog:

2006-10-04  Fariborz Jahanian <fjahanian@apple.com>

         * obj-c++.dg/template-7.mm: New test.

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