diff --git openjdk.orig/hotspot/make/linux/makefiles/jsig.make openjdk/hotspot/make/linux/makefiles/jsig.make

--- openjdk.orig/hotspot/make/linux/makefiles/jsig.make

+++ openjdk/hotspot/make/linux/makefiles/jsig.make

@@ -51,10 +51,15 @@ ifeq ($(DEBUG_BINARIES), true)

   JSIG_DEBUG_CFLAGS = -g

 endif

+# Optimize jsig lib at level -O3 unless it's a slowdebug build

+ifneq ($(DEBUG_LEVEL), slowdebug)

+  JSIG_OPT_FLAGS = $(OPT_CFLAGS)

+endif

+

 $(LIBJSIG): $(JSIGSRCDIR)/jsig.c $(LIBJSIG_MAPFILE)

	@echo Making signal interposition lib...

	$(QUIETLY) $(CC) $(SYMFLAG) $(ARCHFLAG) $(SHARED_FLAG) $(PICFLAG) \

-                         $(LFLAGS_JSIG) $(JSIG_DEBUG_CFLAGS) $(EXTRA_CFLAGS) -o $@ $< -ldl

+                         $(LFLAGS_JSIG) $(JSIG_DEBUG_CFLAGS) $(JSIG_OPT_FLAGS) $(EXTRA_CFLAGS) -o $@ $< -ldl

 ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1)

	$(QUIETLY) $(OBJCOPY) --only-keep-debug $@ $(LIBJSIG_DEBUGINFO)

   ifeq ($(STRIP_POLICY),all_strip)