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Disable unsigned-shift-base by default.

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New clang compiler enables unsigned-shift-base as part of
integer sanitizers. But it makes some daemons crash at
libc++.

Bug: 177566116
Test: build.
Change-Id: I6d64fa5002b6035be4d960441eb5176c97152af9
This commit is contained in:
Yabin Cui
2021-01-14 14:05:54 -08:00
parent d041e4babf
commit 462c12dfae
1 changed files with 10 additions and 0 deletions
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10
core/config_sanitizers.mk
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@@ -441,3 +441,13 @@ ifneq ($(findstring fsanitize,$(my_cflags)),)
endif endif
endif endif
endif endif
# http://b/177566116, libc++ may crash with this sanitizer.
# Disable this check unless it has been explicitly specified.
ifneq ($(findstring fsanitize,$(my_cflags)),)
ifneq ($(findstring integer,$(my_cflags)),)
ifeq ($(findstring sanitize=unsigned-shift-base,$(my_cflags)),)
my_cflags += -fno-sanitize=unsigned-shift-base
endif
endif
endif