TestException.rb: exclude stack overflow tests

* test/excludes/TestException.rb: exclude machine stack overflow
  tests by default.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49550 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

common.mk

@@ -143,6 +143,7 @@ PRE_LIBRUBY_UPDATE = $(MINIRUBY) -e 'ARGV[1] or File.unlink(ARGV[0]) rescue nil'
 			$(LIBRUBY_EXTS) $(LIBRUBY_SO_UPDATE)
 
 TESTSDIR      = $(srcdir)/test
+TEST_EXCLUDES = --excludes=$(TESTSDIR)/excludes
 TESTWORKDIR   = testwork
 
 TESTRUN_SCRIPT = $(srcdir)/test.rb
@@ -574,7 +575,7 @@ test: test-sample btest-ruby test-knownbug
 
 test-all: $(TEST_RUNNABLE)-test-all
 yes-test-all: prog PHONY
-	$(RUNRUBY) "$(srcdir)/test/runner.rb" --ruby="$(RUNRUBY)" $(TESTOPTS) $(TESTS)
+	$(RUNRUBY) "$(srcdir)/test/runner.rb" --ruby="$(RUNRUBY)" $(TEST_EXCLUDES) $(TESTOPTS) $(TESTS)
 TESTS_BUILD = mkmf
 no-test-all: PHONY
 	$(MINIRUBY) -I"$(srcdir)/lib" "$(srcdir)/test/runner.rb" $(TESTOPTS) $(TESTS_BUILD)

test/excludes/TestException.rb

@@ -0,0 +1,8 @@
+reason = %[\
+Because machine stack overflow can happen anywhere, even critical
+sections including external libraries, it is very neary impossible to
+recover from such situation.
+]
+
+exclude /test_machine_stackoverflow/, reason
+exclude :test_machine_stackoverflow_by_define_method, reason