Process.respond_to?(:fork) returns true when profiling is enabled #1145
Description
With JRuby 1.7.5 (and 1.7.4, haven't checked other versions), when I enable profiling with the --profile or --profile.flat options in JRUBY_OPTS, Process.respond_to?(:fork) starts returning true (expected behavior on JRuby is for it to return false, since fork is not supported).
Correct (without profiling):
$ ruby -e "p Process.respond_to?(:fork)" 2>/dev/null
false
$ JRUBY_OPTS="" ruby -e "p Process.respond_to?(:fork)" 2>/dev/null
false
Incorrect (with profiling enabled):
$ JRUBY_OPTS="--profile" ruby -e "p Process.respond_to?(:fork)" 2>/dev/null
true
$ JRUBY_OPTS="--profile.flat" ruby -e "p Process.respond_to?(:fork)" 2>/dev/null
true
Version info:
$ ruby --version
jruby 1.7.5 (1.9.3p392) 2013-10-07 74e9291 on Java HotSpot(TM) 64-Bit Server VM 1.7.0_21-b12 [darwin-x86_64]
$ uname -a
Darwin koan.local 12.5.0 Darwin Kernel Version 12.5.0: Sun Sep 29 13:33:47 PDT 2013; root:xnu-2050.48.12~1/RELEASE_X86_64 x86_64
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