test/lib/jit_support.rb: continue to skip test_jit

for icc since it's not supported yet but running on rubyci.

This reverts some part of r65175, r65176 and r65177.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65178 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/lib/jit_support.rb

@@ -1,9 +1,8 @@
 module JITSupport
   JIT_TIMEOUT = 600 # 10min for each...
   JIT_SUCCESS_PREFIX = 'JIT success \(\d+\.\dms\)'
-  SUPPORTED_COMPILERS = [
-    'gcc',
-    'clang',
+  UNSUPPORTED_COMPILERS = [
+    'icc',
   ]
 
   module_function
@@ -35,6 +34,11 @@ module JITSupport
     )
   end
 
+  def supported?
+    return @supported if defined?(@supported)
+    @supported = !UNSUPPORTED_COMPILERS.include?(RbConfig::CONFIG['CC'])
+  end
+
   def remove_mjit_logs(stderr)
     if RubyVM::MJIT.enabled?
       stderr.gsub(/^MJIT warning: Skipped to compile unsupported instruction: \w+\n/m, '')

test/ruby/test_jit.rb

@@ -32,6 +32,10 @@ class TestJIT < Test::Unit::TestCase
   end
 
   def setup
+    unless JITSupport.supported?
+      skip 'JIT seems not supported on this platform'
+    end
+
     # ruby -w -Itest/lib test/ruby/test_jit.rb
     if $VERBOSE && !defined?(@@at_exit_hooked)
       at_exit do

test/ruby/test_rubyoptions.rb

@@ -138,9 +138,11 @@ class TestRubyOptions < Test::Unit::TestCase
   end
 
   def test_enable
+    if JITSupport.supported?
       assert_in_out_err(%w(--enable all -e) + [""], "", [], [])
       assert_in_out_err(%w(--enable-all -e) + [""], "", [], [])
       assert_in_out_err(%w(--enable=all -e) + [""], "", [], [])
+    end
     assert_in_out_err(%w(--enable foobarbazqux -e) + [""], "", [],
                       /unknown argument for --enable: `foobarbazqux'/)
     assert_in_out_err(%w(--enable), "", [], /missing argument for --enable/)
@@ -198,6 +200,7 @@ class TestRubyOptions < Test::Unit::TestCase
       end
     end
 
+    if JITSupport.supported?
       [
         %w(--version --jit),
         %w(--version --enable=jit),
@@ -214,6 +217,7 @@ class TestRubyOptions < Test::Unit::TestCase
         end
       end
     end
+  end
 
   def test_eval
     assert_in_out_err(%w(-e), "", [], /no code specified for -e \(RuntimeError\)/)

test/ruby/test_rubyvm_mjit.rb

@@ -5,6 +5,12 @@ require_relative '../lib/jit_support'
 class TestRubyVMMJIT < Test::Unit::TestCase
   include JITSupport
 
+  def setup
+    unless JITSupport.supported?
+      skip 'JIT seems not supported on this platform'
+    end
+  end
+
   def test_pause
     out, err = eval_with_jit(<<~'EOS', verbose: 1, min_calls: 1, wait: false)
       i = 0