Add initial support for inlining.

src/flag-definitions.h

Index: src/flag-definitions.h
diff --git a/src/flag-definitions.h b/src/flag-definitions.h
index 55af2e67400a02ddac108865583a0855f7945aab..a8e220e3dac65b2364f6c3a6ed85e510ca01c15c 100644
--- a/src/flag-definitions.h
+++ b/src/flag-definitions.h
@@ -336,6 +336,10 @@ DEFINE_BOOL(turbo_source_positions, false,
 DEFINE_BOOL(context_specialization, true,
             "enable context specialization in TurboFan")
 DEFINE_BOOL(turbo_deoptimization, false, "enable deoptimization in TurboFan")
+DEFINE_BOOL(turbo_inlining, false, "enable inlining in TurboFan")
+DEFINE_BOOL(trace_turbo_inlining, false, "trace TurboFan inlining")
+DEFINE_STRING(turbo_inlining_filter, "*",

[Michael Starzinger, 2014/08/14 10:36:22]

As discussed offline: Let's drop the filter flag again, since it is not (yet)
needed and also it is intuitively unclear whether the filter should apply to the
surrounding function or the inlinee.

[sigurds, 2014/08/19 11:31:19]

Done.

+              "inlining filter for TurboFan compiler")
 
 DEFINE_INT(typed_array_max_size_in_heap, 64,
            "threshold for in-heap typed array")