we need -fcheck-new because our operator new can return 0, and we have no exceptions

875bc53a · Nickolai Zeldovich · 95e87cb3 · 875bc53a
--- a/Makefile
+++ b/Makefile
@@ -35,7 +35,7 @@ COMFLAGS  = -static -fno-builtin -fno-strict-aliasing -O2 -Wall \
 	    -DHW_$(HW) -include param.h -include include/compiler.h -DXV6
 COMFLAGS += $(shell $(CC) -fno-stack-protector -E -x c /dev/null >/dev/null 2>&1 && echo -fno-stack-protector)
 CFLAGS   := $(COMFLAGS) -std=c99 $(CFLAGS)
-CXXFLAGS := $(COMFLAGS) -std=c++0x -Wno-sign-compare -fno-exceptions -fno-rtti $(CXXFLAGS)
+CXXFLAGS := $(COMFLAGS) -std=c++0x -Wno-sign-compare -fno-exceptions -fno-rtti -fcheck-new $(CXXFLAGS)
 ASFLAGS   = -Iinclude -m64 -gdwarf-2 -MD
 LDFLAGS   = -m elf_x86_64