bitwiseworks / binutils-os2 Goto Github PK

There is one very annoying message coming from as.exe when compiling complex C++ with GCC 9 (IIRC it happened with GCC 4 too), e.g.:

D:\Temp/ccyvaAtU.s:489773: Warning: .stabd: description field '1336a' too big, try a different debug format

This message is printed by this part of code:

From what I see, it happens when there is too many line numbers in the source file and there is no workaround for AOUT debug info. I'm going to just disable it because it's highly annoying — there might be 1000s of messages like that from a single file (which scrolls the console and blows log files like crazy).

It's just another evidence that we should switch to ELF (and DWARF) ASAP (see bitwiseworks/gcc-os2#12).

I've found that the following call

cplus_demangle ("_ZSt7forwardIOZN7QThread6createIZN11tst_QThread6createEvE15MoveOnlyFunctorJEEEPS0_OT_DpOT0_EUlDpOT_E_ES6_RNSt16remove_referenceIS5_E4typeE", DMGL_ANSI | DMGL_PARAMS);

freaks libiberty out (a crash with a popuplog entry).

This problem was first encountered in EMXOMF.EXE, see bitwiseworks/libc#49.

Note that yo will get the very same crash if you run c++filt.exe (also part of binutils) and give it the same input prepended with an extra underscore. No surprise as it uses the same library.