Re: (ITS#8394) LMDB fails GCC5 without -fno-strict-aliasing

[hyc@symas.com]

bdallen@nps.edu wrote:
> Full_Name: Bruce Allen
> Version: 2.4.44
> OS: Fedora 23
> URL: ftp://ftp.openldap.org/incoming/
> Submission from: (NULL) (205.155.65.226)
>
>
> LMDB v0.9.18 crashes with segmentation fault in mdb.c line 6590 when compiled
> using these compilers:
> * gcc (GCC) 5.3.1 20151207 (Red Hat 5.3.1-2)
> * x86_64-w64-mingw32-gcc (GCC) 5.2.0 20150716 (Fedora MinGW 5.2.0-1.fc23)
>
> The crash happens afterrititing the 12'th item (with the same key but different
> value using flags MDB_NODUPDATA and MDB_DUPSORT).

Your message appears garbled here. Please send a test case with steps to 
reproduce.
>
> The problem goes away when compiling mdb.c with the -fno-strict-aliasing flag.
>
>


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