Yes, please try to reduce it to as small a testcase as you can. - Alon
On Tue, Dec 9, 2014 at 1:45 AM, Arve Knudsen <[email protected]> wrote: > I've built now with -g and SAFE_HEAP=3, it makes no difference. I guess I > should file a bug? > On Dec 9, 2014 1:08 AM, "Alon Zakai" <[email protected]> wrote: > >> Possibly, but see tips in >> >> http://kripken.github.io/emscripten-site/docs/porting/Debugging.html >> >> , building with SAFE_HEAP and ASSERTIONS etc. can find undefined >> behavior. It is possible it only shows up in optimized builds (optimizer >> can take advantage of undefined behavior). >> >> - Alon >> >> >> On Sun, Dec 7, 2014 at 12:31 PM, Arve Knudsen <[email protected]> >> wrote: >> >>> Hi >>> >>> When including optimized (-O3) ChucK (https://github.com/aknuds1/chuck) >>> code in my app, it invariably breaks when loaded, with the following error >>> message: >>> >>> Invalid function pointer '0' called with signature 'ii'. Perhaps >>> this is an invalid value (e.g. caused by calling a virtual method on a NULL >>> pointer)? Or calling a function with an incorrect type, which will fail? >>> (it is worth building your source files with -Werror (warnings are errors), >>> as warnings can indicate undefined behavior which can cause this) >>> >>> The code doesn't break if I compile without optimization. I'm using >>> Emscripten 1.27.0. I've tested with both Chrome and Firefox on OS X. You >>> can try for yourselves at http://104.131.177.17/ (just check the >>> console after loading the page). >>> >>> Is this due to a bug in Emscripten? >>> >>> Arve >>> >>> -- >>> 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.
