[lto][patch] Disable ipcp in ltrans for now

[Rafael Espindola]

IPCP has a hard time running in the presence of clones created by
wpa's inlining decisions. Two proposed solution (both by Honza I
think) are

1) Apply the inline decisions in ltrans before starting the pass manager
2) Use the pretty-ipa branch improvements

Diego experimented a bit with 1, but there were some issues.

For now, this patch just disables ipcp in ltrans so that we can move
on to other problems.

2009-03-12  Rafael Avila de Espindola  <espindola@google.com>

	* ipa-cp.c (cgraph_gate_cp): Disable ipcp if in ltrans.

2009-03-12  Rafael Avila de Espindola  <espindola@google.com>

	* gcc.dg/lto/20090312_0.c: New.
	* gcc.dg/lto/20090312_1.c: New.

Cheers,
-- 
Rafael Avila de Espindola

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