More than 3 params consumes too much memory while bootstrapping gcc
with graphite enabled.

BOOT_CFLAGS="-g -O2 -fgraphite-identity -floop-block -floop-interchange 
-floop-strip-mine"
---
 gcc/params.def | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/params.def b/gcc/params.def
index 0ca3451..1f6e40e 100644
--- a/gcc/params.def
+++ b/gcc/params.def
@@ -850,7 +850,7 @@ DEFPARAM (PARAM_LOOP_UNROLL_JAM_DEPTH,
 DEFPARAM (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS,
          "graphite-max-nb-scop-params",
          "maximum number of parameters in a SCoP",
-         10, 0, 0)
+         3, 0, 0)
 
 /* Maximal number of basic blocks in the functions analyzed by Graphite.  */
 
-- 
2.1.0.243.g30d45f7

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