Re: clisp -Wshift-negative-value on

also
clang: warning: optimization flag '-falign-functions=4' is not supported

On Wed, Feb 8, 2017 at 1:28 PM, Sam Steingold <[email protected]> wrote:
> Hi Bruno,
>
> is this benign?
>
> --8<---------------cut here---------------start------------->8---
> ../src/debug.d:571:7: warning: shifting a negative signed value is undefined
>       [-Wshift-negative-value]
>       dynamic_unbind(S(standard_input));
>       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> ../src/lispbibl.d:12811:5: note: expanded from macro 'dynamic_unbind'
>     dynamic_unbind_g();                           \
>     ^~~~~~~~~~~~~~~~~~
> ../src/lispbibl.d:12804:3: note: expanded from macro 'dynamic_unbind_g'
>   CHECK_DYNBIND;                                                        \
>   ^~~~~~~~~~~~~
> ../src/lispbibl.d:12798:53: note: expanded from macro 'CHECK_DYNBIND'
>     if (!((as_oint(STACK_0) & wbit(frame_bit_o)) && framecode(STACK_0))) \
>                                                     ^~~~~~~~~~~~~~~~~~
> ../src/lispbibl.d:12318:59: note: expanded from macro 'framecode'
>     #define framecode(bottomword)  (as_oint(bottomword) & minus_wbit(FB1))
>                                                           ^~~~~~~~~~~~~~~
> ../src/lispbibl.d:3042:23: note: expanded from macro 'minus_wbit'
>   #define minus_wbit  minus_bit
>                       ^
> ../src/lispbibl.d:1195:27: note: expanded from macro 'minus_bit'
> #define minus_bit(n)  (-1L<<(n))
>                        ~~~^
> --8<---------------cut here---------------end--------------->8---
>
> Darwin 16.4.0 Darwin Kernel Version 16.4.0: Thu Dec 22 22:53:21 PST 2016; root:xnu-3789.41.3~3/RELEASE_X86_64 x86_64
>
> $ gcc --version
> Configured with: --prefix=/Applications/Xcode.app/Contents/Developer/usr --with-gxx-include-dir=/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.12.sdk/usr/include/c++/4.2.1
> Apple LLVM version 8.0.0 (clang-800.0.42.1)
> Target: x86_64-apple-darwin16.4.0
> Thread model: posix
> InstalledDir: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin
>
>
>
> --
> Sam Steingold (http://sds.podval.org/) on darwin Ns 10.3.1504
> http://steingoldpsychology.com http://www.childpsy.net https://ffii.org
> http://iris.org.il http://islamexposedonline.com http://memri.org
> Shady characters are often very bright.



-- 
Sam Steingold <http://sds.podval.org> <http://www.childpsy.net>
<http://steingoldpsychology.com>

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