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[PATCH] tree-into-ssa.c: make interesting_blocks static


"interesting_blocks" is only used inside tree-into-ssa.c, so it can be
made static.

Successfully bootstrapped on x86_64-unknown-linux-gnu (using
gcc-4.7.2-2.fc17.x86_64).

OK for trunk?

2013-06-07  David Malcolm  <dmalcolm@redhat.com>

	* tree-into-ssa.c (interesting_blocks): Make static.

Index: gcc/tree-into-ssa.c
===================================================================
--- gcc/tree-into-ssa.c	(revision 199816)
+++ gcc/tree-into-ssa.c	(working copy)
@@ -93,7 +93,7 @@
    the operations done on them are presence tests.  */
 static sbitmap new_ssa_names;
 
-sbitmap interesting_blocks;
+static sbitmap interesting_blocks;
 
 /* Set of SSA names that have been marked to be released after they
    were registered in the replacement table.  They will be finally

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