Revert r117093, "test/Makefile: Force lit -j1 on Cygwin."

lit -jN works on cygwin in most cases, but still sometimes I can see stalls with iterative run on the buildbot.

llvm-svn: 165482

diff --git a/llvm/test/Makefile b/llvm/test/Makefile
index ae7a674..3c6b5b6 100644 (file)
--- a/llvm/test/Makefile
+++ b/llvm/test/Makefile
@@ -29,11 +29,6 @@ else
 LIT_ARGS := -s -v
 endif
 
-# -jN causes crash on Cygwin's python.
-ifneq (,$(filter $(HOST_OS),Cygwin))
-  LIT_ARGS += -j1
-endif
-
 ifdef TESTSUITE
 LIT_TESTSUITE := $(TESTSUITE)
 CLEANED_TESTSUITE := $(patsubst %/,%,$(TESTSUITE))