--- a/common/autoconf/flags.m4	Thu Jul 17 09:50:04 2014 -0700
+++ b/common/autoconf/flags.m4	Fri Jul 18 08:25:14 2014 -0700
@@ -407,11 +407,7 @@
         C_O_FLAG_HI="-O3"
         C_O_FLAG_NORM="-O2"
       fi
-      if test "x$HAS_CFLAG_OPTIMIZE_DEBUG" = "xtrue"; then
-        C_O_FLAG_DEBUG="$CFLAG_OPTIMIZE_DEBUG_FLAG"
-      else
-        C_O_FLAG_DEBUG="-O0"
-      fi
+      C_O_FLAG_DEBUG="-O0"
       C_O_FLAG_NONE="-O0"
     elif test "x$TOOLCHAIN_TYPE" = xclang; then
       if test "x$OPENJDK_TARGET_OS" = xmacosx; then

--- a/common/autoconf/generated-configure.sh	Thu Jul 17 09:50:04 2014 -0700
+++ b/common/autoconf/generated-configure.sh	Fri Jul 18 08:25:14 2014 -0700
@@ -4311,7 +4311,7 @@
 #CUSTOM_AUTOCONF_INCLUDE
 
 # Do not change or remove the following line, it is needed for consistency checks:
-DATE_WHEN_GENERATED=1403557683
+DATE_WHEN_GENERATED=1404942241
 
 ###############################################################################
 #
@@ -42011,11 +42011,7 @@
         C_O_FLAG_HI="-O3"
         C_O_FLAG_NORM="-O2"
       fi
-      if test "x$HAS_CFLAG_OPTIMIZE_DEBUG" = "xtrue"; then
-        C_O_FLAG_DEBUG="$CFLAG_OPTIMIZE_DEBUG_FLAG"
-      else
-        C_O_FLAG_DEBUG="-O0"
-      fi
+      C_O_FLAG_DEBUG="-O0"
       C_O_FLAG_NONE="-O0"
     elif test "x$TOOLCHAIN_TYPE" = xclang; then
       if test "x$OPENJDK_TARGET_OS" = xmacosx; then

--- a/test/Makefile	Thu Jul 17 09:50:04 2014 -0700
+++ b/test/Makefile	Fri Jul 18 08:25:14 2014 -0700
@@ -66,6 +66,32 @@
 hotspot_%:
 	@$(NO_STOPPING)$(call SUBDIR_TEST, $(HOTSPOT_DIR), TEST="$@" $@)
 
+#
+# jtreg_tests
+#
+# Invocation:
+#
+# make jtreg_tests TESTDIRS=<test-dirs>
+#
+# where <test-dirs> is something like '../<component>/test/runtime',
+# <component> in turn being one of the top level directories (for
+# example 'hotspot').
+#
+# The below will strip the path prefix and delegate to the
+# corresponding ../<component>/test/Makefile.
+
+ifneq ($(TESTDIRS),)
+# Extract the component from ../<component>/...
+COMPONENT=$(word 2,$(subst /, ,$(TESTDIRS)))
+
+# Strip off the ../<component>/test prefix and pass the rest as TESTDIRS
+# to the delegate Makefile
+TESTDIRS_TESTS=$(patsubst ../$(COMPONENT)/test/%,%,$(TESTDIRS))
+endif
+
+jtreg_tests:
+	@$(NO_STOPPING)$(call SUBDIR_TEST, $(TOPDIR)/$(COMPONENT), TESTDIRS=$(TESTDIRS_TESTS) $@)
+
 ################################################################
 
 # Phony targets (e.g. these are not filenames)