[PATCH] Fix tree-opt/29788, plain CONST_DECL leaking through

[Andrew Pinski]

Hi,
  The problem here is that the inliner folds *&CONST_DECL to CONST_DECL
but it forgot to inline the value of the CONST_DECL.  It is not valid to
have a plain CONST_DECL in the IR and it causes different ICEs,
depending on if PRE runs or not.

This patch fixes the problem by running fold after folding *&CONST_DECL.

OK? Bootstrapped and tested on i686-linux-gnu with no regressions.

Thanks,
Andrew Pinski

ChangeLog:

	* tree-inline.c (copy_body_r): Call fold after folding indirect
	reference.

	* gfortran.fortran-torture/compile/inline_1.f90: New test.
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