Merge branch 'jk/use-o0-in-leak-sanitizer'

Avoid false-positive from LSan whose assumption may be broken with
higher optimization levels.

* jk/use-o0-in-leak-sanitizer:
  Makefile: force -O0 when compiling with SANITIZE=leak

Author: gitster

Makefile

@@ -1339,6 +1339,7 @@ BASIC_CFLAGS += -DSHA1DC_FORCE_ALIGNED_ACCESS
 endif
 ifneq ($(filter leak,$(SANITIZERS)),)
 BASIC_CFLAGS += -DSUPPRESS_ANNOTATED_LEAKS
+BASIC_CFLAGS += -O0
 SANITIZE_LEAK = YesCompiledWithIt
 endif
 ifneq ($(filter address,$(SANITIZERS)),)