Merge pull request #1868 from Burgos/dip1000test

Add missing -dip1000 flag to test-suite DFLAGs
merged-on-behalf-of: Martin Nowak <code@dawg.eu>

Author: dlang-bot

test/common.mak

@@ -18,7 +18,7 @@ ifneq (default,$(MODEL))
 	MODEL_FLAG:=-m$(MODEL)
 endif
 CFLAGS:=$(MODEL_FLAG) -Wall
-DFLAGS:=$(MODEL_FLAG) -w -I../../src -I../../import -I$(SRC) -defaultlib= -debuglib=
+DFLAGS:=$(MODEL_FLAG) -w -I../../src -I../../import -I$(SRC) -defaultlib= -debuglib= -dip1000
 # LINK_SHARED may be set by importing makefile
 DFLAGS+=$(if $(LINK_SHARED),-L$(DRUNTIMESO),-L$(DRUNTIME))
 ifeq ($(BUILD),debug)