Add a trap_on_abort flag

src/flag-definitions.h

Index: src/flag-definitions.h
diff --git a/src/flag-definitions.h b/src/flag-definitions.h
index f5f2ef37f0223a487e5ce745efba813b89fbb1a7..0a1687f866157bcf70031e47771345747bc7bcba 100644
--- a/src/flag-definitions.h
+++ b/src/flag-definitions.h
@@ -264,6 +264,8 @@ DEFINE_bool(print_deopt_stress, false, "print number of possible deopt points")
 DEFINE_bool(trap_on_deopt, false, "put a break point before deoptimizing")
 DEFINE_bool(trap_on_stub_deopt, false,
             "put a break point before deoptimizing a stub")
+DEFINE_bool(trap_on_abort, false,

[Michael Starzinger, 2013/08/22 13:36:16]

nit: Should fit into one line. Also since this is only effective in debug mode,
it should be moved down into the "Debug only flags" section.

+            "replace aborts by breakpoints")
 DEFINE_bool(deoptimize_uncommon_cases, true, "deoptimize uncommon cases")
 DEFINE_bool(polymorphic_inlining, true, "polymorphic inlining")
 DEFINE_bool(use_osr, true, "use on-stack replacement")