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elfutils: Ignore wrong use-after-free error

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GCC 12.2.0 shows this false positive error message:
````
In function 'bigger_buffer',
    inlined from '__libdw_gunzip' at gzip.c:374:12:
gzip.c:96:9: error: pointer may be used after 'realloc' [-Werror=use-after-free]
   96 |     b = realloc (state->buffer, more -= 1024);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
gzip.c:94:13: note: call to 'realloc' here
   94 |   char *b = realloc (state->buffer, more);
      |             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
````

GCC bug report: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104069

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This commit is contained in:
Hauke Mehrtens
2022-12-19 01:07:38 +01:00
parent ef3919bea9
commit 2748c45d46
1 changed files with 1 additions and 1 deletions
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2
package/libs/elfutils/Makefile
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@@ -81,7 +81,7 @@ HOST_CONFIGURE_VARS += \
CONFIGURE_VARS += \
ac_cv_search__obstack_free=yes
TARGET_CFLAGS += -D_GNU_SOURCE -Wno-unused-result -Wno-format-nonliteral
TARGET_CFLAGS += -D_GNU_SOURCE -Wno-unused-result -Wno-format-nonliteral -Wno-error=use-after-free
define Build/InstallDev
$(INSTALL_DIR) $(1)/usr/include