[wasm] Support undefined indirect table entries, behind a flag.

src/flag-definitions.h

Index: src/flag-definitions.h
diff --git a/src/flag-definitions.h b/src/flag-definitions.h
index c0c9714d6793313881c3f79ae841cded51d74970..70dedf7229de44bea5446ba0f21ba1dbac83589a 100644
--- a/src/flag-definitions.h
+++ b/src/flag-definitions.h
@@ -502,6 +502,8 @@ DEFINE_BOOL(print_wasm_code_size, false,
 DEFINE_INT(typed_array_max_size_in_heap, 64,
            "threshold for in-heap typed array")
 
+DEFINE_BOOL(wasm_jit_prototype, false, "enable jit compiling")

[bradn, 2016/06/14 02:02:46]

Change the description text to something like:
enable experimental wasm runtime dynamic code generation

+
 // Profiler flags.
 DEFINE_INT(frame_count, 1, "number of stack frames inspected by the profiler")
 // 0x1800 fits in the immediate field of an ARM instruction.