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?
Cheers
John
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