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[PATCH] Fix PR 18231, not inlining sibling nested functions

From: Andrew Pinski <pinskia at physics dot uc dot edu>
To: "gcc-patches at gcc dot gnu dot org Patches" <gcc-patches at gcc dot gnu dot org>
Date: Sat, 30 Oct 2004 16:28:44 -0400
Subject: [PATCH] Fix PR 18231, not inlining sibling nested functions

We were not marking a function decl's address as invariant because
staticp was returning false for nested functions.  Since we unnest
the nested functions and create trampoline on the tree level, we
can just return true for staticp.

This patch fixes two problems not inlining and causing much worse
code on sibling nested functions, both problems are regressions.

OK? Bootstrapped and tested on powerpc-darwin (with a fix for the
boostrap failure on powerpc-darwin) with no regressions.

Thanks,
Andrew Pinski

ChangeLog:

	* tree.c (staticp) <case FUNCTION_DECL>: Nested functions are static
	also.

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