[lra] patch to fix a bootstrap failure on SPARC64

[Vladimir Makarov]

The SPARC bootstrap started to fail after recent addition of live range 
splitting and trunk merge. The following patch fixes a crash of GCC on 
SPARC64 bootstrap.  Unfortunately, it is still not enough to fix the 
bootstrap failure but I am working on it.

The patch was successfully bootstrapped on x86/x86-64.

Committed as rev. 184444.

2012-02-21  Vladimir Makarov <vmakarov@redhat.com>

         * lra-constraints.c (inherit_in_ebb): Put split save before jump
         using the pseudo.

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