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Subject: Re: [PATCH] Dynamic growable arrays for internal use
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From: Stefan Liebler <stli@linux.vnet.ibm.com>
Date: Tue, 06 Jun 2017 15:30:00 -0000
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Hi Florian,

I get the following warning / werror with gcc 4.8.5 on s390x:
gcc tst-dynarray.c -O3 -c ... -o <build>/malloc/tst-dynarray.o
In file included from tst-dynarray.c:50:0:
tst-dynarray.c: In function ‘do_test’:
../support/check.h:51:8: error: ‘result.length’ may be used 
uninitialized in this function [-Werror=maybe-uninitialized]
      if (expr)                                                   \
         ^
tst-dynarray.c:377:23: note: ‘result.length’ was declared here
      struct long_array result;
                        ^
In file included from tst-dynarray.c:50:0:
../support/check.h:51:8: error: ‘result.array’ may be used uninitialized 
in this function [-Werror=maybe-uninitialized]
      if (expr)                                                   \
         ^
tst-dynarray.c:377:23: note: ‘result.array’ was declared here
      struct long_array result;
                        ^
cc1: all warnings being treated as errors


Have you seen those warnings on other architectures, too?

Bye.
Stefan