k0kubun	2019-03-21 13:49:45 +0900 (Thu, 21 Mar 2019)

  New Revision: 67323

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=67323

  Log:
    Explain why cl.exe needs --jit-verbose=2 [ci skip]
    
    I forgot to explain it in the previous commit

  Modified files:
    trunk/test/ruby/test_jit.rb
Index: test/ruby/test_jit.rb
===================================================================
--- test/ruby/test_jit.rb	(revision 67322)
+++ test/ruby/test_jit.rb	(revision 67323)
@@ -912,6 +912,8 @@ class TestJIT < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/ruby/test_jit.rb#L912
   def assert_eval_with_jit(script, stdout: nil, success_count:, min_calls: 1, insns: [], uplevel: 3)
     out, err = eval_with_jit(script, verbose: 1, min_calls: min_calls)
     actual = err.scan(/^#{JIT_SUCCESS_PREFIX}:/).size
+    # Add --jit-verbose=2 logs for cl.exe because compiler's error message is suppressed
+    # for cl.exe with --jit-verbose=1. See `start_process` in mjit_worker.c.
     if RUBY_PLATFORM.match?(/mswin/) && success_count != actual
       _, err2 = eval_with_jit(script, verbose: 2, min_calls: min_calls)
     end

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