* src/vm/options.h (opt_verify): Only declare for ENABLE_VERIFIER.

* src/vm/options.h (opt_verify): Only declare for ENABLE_VERIFIER.
(opt_liberalutf): Removed.

* src/vm/options.c (opt_verify): Only declare for ENABLE_VERIFIER.
(opt_liberalutf): Removed.

* src/vm/jit/inline/inline.c (test_inlining): Only verify if ENABLE_VERIFIER.

* src/vm/jit/parse.c (parse): Only check opt_verify if ENABLE_VERIFIER.

* src/vm/global.h (ENABLE_VERIFIER): Removed. This is now defined in
config.h.

* src/vm/vm.c (OPT_NOVERIFY): Only define this option if ENABLE_VERIFIER.
(OPT_LIBERALUTF): Removed.

* configure.ac (--disable-verifier): Added configure option.

* src/vm/jit/stacktrace.c (stacktrace_getStack): Gather a wider range
for the cycle count statistics.