elfutils: Ignore wrong use-after-free error

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>

diff --git a/package/libs/elfutils/Makefile b/package/libs/elfutils/Makefile
index d4e5d994e8c4b996563ca65f5e3a7a2906cd6e8e..1e41e296b3a421e410e00498a547645a902f6ef8 100644 (file)
--- a/package/libs/elfutils/Makefile
+++ b/package/libs/elfutils/Makefile
@@ -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