--- old/make/lib/Awt2dLibraries.gmk	2016-12-23 13:51:18.000000000 +0300
+++ new/make/lib/Awt2dLibraries.gmk	2016-12-23 13:51:18.000000000 +0300
@@ -222,6 +222,7 @@
 # applies to debug builds.
 ifeq ($(TOOLCHAIN_TYPE), gcc)
   BUILD_LIBAWT_debug_mem.c_CFLAGS := -w
+  LIBAWT_CFLAGS += -fgcse-after-reload
 endif
 
 $(eval $(call SetupNativeCompilation,BUILD_LIBAWT, \