backport: re PR ipa/60026 (ICE at -O3 on valid code (with the optimize pragma) on...

backport: re PR ipa/60026 (ICE at -O3 on valid code (with the optimize pragma) on x86_64-linux-gnu)

	Backport from mainline
	2014-02-08  Jakub Jelinek  <jakub@redhat.com>

	PR ipa/60026
	* ipa-cp.c (determine_versionability): Fail at -O0
	or __attribute__((optimize (0))) or -fno-ipa-cp functions.
	* tree-sra.c (ipa_sra_preliminary_function_checks): Similarly.

	2014-02-06  Jakub Jelinek  <jakub@redhat.com>

	PR target/60062
	* tree.h (opts_for_fn): New inline function.
	(opt_for_fn): Define.
	* config/i386/i386.c (ix86_function_regparm): Use
	opt_for_fn (decl, optimize) instead of optimize.

	* gcc.c-torture/execute/pr60062.c: New test.
	* gcc.c-torture/execute/pr60072.c: New test.

	2014-02-04  Jakub Jelinek  <jakub@redhat.com>

	PR ipa/60026
	* c-c++-common/torture/pr60026.c: New test.

From-SVN: r208364