--- a/make/lib/LibCommon.gmk	Mon Dec 03 22:27:24 2018 -0800
+++ b/make/lib/LibCommon.gmk	Tue Dec 04 09:08:03 2018 +0100
@@ -38,7 +38,7 @@
 # On Mac, we have always exported all symbols, probably due to oversight
 # and/or misunderstanding. To emulate this, don't hide any symbols
 # by default.
-# On AIX/xlc we need at least xlc 13.1 for the symbol hiding
+# On AIX/xlc we need at least xlc 13.1 for the symbol hiding (see JDK-8214063)
 # Also provide an override for non-conformant libraries.
 ifeq ($(TOOLCHAIN_TYPE), gcc)
   CFLAGS_JDKLIB += -fvisibility=hidden
@@ -53,12 +53,6 @@
   CFLAGS_JDKLIB += -xldscope=hidden
   CXXFLAGS_JDKLIB += -xldscope=hidden
   EXPORT_ALL_SYMBOLS := -xldscope=global
-else ifeq ($(TOOLCHAIN_TYPE), xlc)
-  ifneq ($(CC_VERSION_NUMBER), 12.1)
-    CFLAGS_JDKLIB += -qvisibility=hidden
-    CXXFLAGS_JDKLIB += -qvisibility=hidden
-    EXPORT_ALL_SYMBOLS := -qvisibility=default
-  endif
 endif
 
 # Put the libraries here.