[PATCH] Fix for PR63587

[Martin Liška]

Hello.

Following patch fixes PR63587, where we put DECL_RESULT in cgraph_node::expand_thunk to local_decls.
Patch has been tested on x86_64-linux-pc without any regression and boostrap works correctly.

Ready for thunk?
Thanks,
Martin
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gcc/testsuite/ChangeLog:

2014-10-29  Martin Liska  <mliska@suse.cz>

	* g++.dg/ipa/pr63587-1.C: New test.
	* g++.dg/ipa/pr63587-2.C: New test.


gcc/ChangeLog:

2014-10-29  Martin Liska  <mliska@suse.cz>

	* cgraphunit.c (cgraph_node::expand_thunk): Only VAR_DECLs are put
	to local declarations.
	* function.c (add_local_decl): Implementation moved from header
	file, assert introduced for tree type.
	* function.h: Likewise.

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