John Marriott wrote:
> On 22-Oct-2020 01:50, Bram Moolenaar wrote:
> > Patch 8.2.1880
> > Problem: Vim9: Asan complains about adding zero to NULL.
> > Solution: Check for argument count first.
> > Files: src/vim9compile.c
> >
> >
> >
> After this patch mingw64 (gcc 10.2) throws this warning:
> <snip>
> gcc -c -I. -Iproto -DWIN32 -DWINVER=0x0603 -D_WIN32_WINNT=0x0603
> -DHAVE_PATHDEF -DFEAT_NORMAL -DHAVE_STDINT_H -D__USE_MINGW_ANSI_STDIO
> -pipe -march=native -Wall -O3 -fomit-frame-pointer -freg-struct-return
> -fpie -fPIE -DFEAT_GUI_MSWIN -DFEAT_CLIPBOARD vim9compile.c -o
> gobjnative/vim9compile.o
> vim9compile.c: In function 'compile_call':
> vim9compile.c:1496:6: warning: 'argtypes' may be used uninitialized in
> this function [-Wmaybe-uninitialized]
> 1496 | internal_func_ret_type(func_idx, argcount, argtypes);
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> vim9compile.c:1463:14: note: 'argtypes' was declared here
> 1463 | type_T **argtypes;
> | ^~~~~~~~
> </snip>
>
> Not sure what the fix should be. Perhaps as simple as initialising
> argtypes to NULL?
Using NULL should work.
--
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/// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net \\\
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