incoming fails to build: D:\emsdk-1.35.0-portable-64bit\clang\fastcomp\src\include\llvm/Support/type_traits.h(46): fatal error C1060: compiler is out of heap space (D:\emsdk- 1.35.0-portable-64bit\clang\fastcomp\src\tools\clang\lib\CodeGen\CGDebugInfo.cpp) [D:\emsdk-1.35.0-portable-64bit\clang\fastcomp\build_incoming_vs201 3_64\tools\clang\lib\CodeGen\clangCodeGen.vcxproj]
On Wednesday, November 25, 2015 at 9:40:28 AM UTC-5, Robert Goulet wrote: > > I'm building incoming right now and will keep you posted about what code > produce this warning on our side. > > On Tuesday, November 24, 2015 at 9:39:35 PM UTC-5, Alon Zakai wrote: >> >> I found it's easy to get the LLVM optimizer to emit code that hits this >> warning, see the test I added: >> >> >> https://github.com/kripken/emscripten/commit/308e98787f88789431e5210d4defa76c275454ac >> >> The optimizer sees a union with an int write and a float read, and just >> forwards those bits into a float. >> >> On Tue, Nov 24, 2015 at 3:27 PM, Jukka Jylänki <[email protected]> wrote: >> >>> Btw, I did write a PR for being able to handle such arbitrary NaN >>> literals without warnings, but it was chosen not to merge that in, if I >>> recall correctly, the thinking was that it would be an impossible scenario >>> to occur. The related PR was here: >>> https://github.com/kripken/emscripten-fastcomp/pull/116 which was >>> amended to demote the handling to the warning you are seeing. It would be >>> interesting to hear what kind of code pattern does cause this. >>> >>> 2015-11-25 0:36 GMT+02:00 Alon Zakai <[email protected]>: >>> >>>> I added logging of the instruction and function on incoming now. It >>>> will also print out debug info if available. >>>> >>>> On Tue, Nov 24, 2015 at 8:29 AM, Robert Goulet <[email protected]> >>>> wrote: >>>> >>>>> Unfortunately that doesn't really help us track down what produced >>>>> this warning in our code. >>>>> >>>>> >>>>> On Tuesday, November 24, 2015 at 10:51:29 AM UTC-5, arnab choudhury >>>>> wrote: >>>>>> >>>>>> This error originates from the JS backend modifications to >>>>>> Clang-++.exe in the emscripten fastcomp project: >>>>>> >>>>>> >>>>>> https://github.com/kripken/emscripten-fastcomp/blob/4e83be90903250ec5142edc57971ed4c633c5e25/lib/Target/JSBackend/JSBackend.cpp >>>>>> >>>>>> Hope this helps. >>>>>> >>>>>> On Tuesday, November 24, 2015 at 7:28:15 AM UTC-8, Robert Goulet >>>>>> wrote: >>>>>>> >>>>>>> I got this warning at link time. I searched the code for this value >>>>>>> but couldn't find it. Is there any way to find which source file >>>>>>> produce >>>>>>> this warning? EMCC_DEBUG=1 didn't tell more details about this. >>>>>>> Thanks! >>>>>>> >>>>>>> emcc: warning: cannot represent a NaN literal '0x5fec1ef10' with >>>>>>> custom bit pattern in NaN-canonicalizing JS engines (e.g. Firefox and >>>>>>> Safari) without erasing bits! >>>>>>> >>>>>>> Thanks! >>>>>>> >>>>>> -- >>>>> You received this message because you are subscribed to the Google >>>>> Groups "emscripten-discuss" group. >>>>> To unsubscribe from this group and stop receiving emails from it, send >>>>> an email to [email protected]. >>>>> For more options, visit https://groups.google.com/d/optout. >>>>> >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "emscripten-discuss" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> For more options, visit https://groups.google.com/d/optout. >>>> >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "emscripten-discuss" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> -- You received this message because you are subscribed to the Google Groups "emscripten-discuss" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
