[cfe-dev] Clang for windows: Release with pdb option generates huge binaries

Reid Kleckner rnk at google.com
Tue May 19 11:19:50 PDT 2015

Clang is currently generating dwarf for consumption by LLDB. There isn't
yet support for split debug info. We probably shouldn't be generating dwarf
when clang-cl gets -Zi.

On Tue, May 19, 2015 at 12:23 AM, Tilo Kühn <tilo.kuehn.73 at googlemail.com>

>  i'm not sure if this is a bug or a missing option. when building release code
> with clang in msvc my binaries are way to big when compiling with option
> /Zi. it seems the linker doesn't strip out all the debug informations. i
> did a full rebuild once with /Zi and once with no debug informations and
> the resulting binaries ended up with 17 MB vs 7 MB ... in my opinion all
> the debug informations should go into the pdb file. at least this is what i
> see when usign the intel compiler or msvc compiler.
> thx
> tilo
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