[OpenWrt-Devel] [LEDE-DEV] 18.03/4 -> GCC 5 or 7

[Matthias Schiffer]

On 03/07/2018 06:49 PM, Lucian Cristian wrote:
> testing r6395-6c194078db on a ramips Ralink RT5350 with 4.14 and GCC 7.3
> gives this error in luci
> 
> daemon.err uhttpd[873]: /usr/bin/lua: /usr/lib/lua/luci/debug.lua:6:
> attempt to call a number value
> daemon.err uhttpd[873]: stack traceback:
> daemon.err uhttpd[873]:        /usr/lib/lua/luci/debug.lua:6: in main chunk
> daemon.err uhttpd[873]:        [C]: in function 'require'
> daemon.err uhttpd[873]:        /usr/lib/lua/luci/util.lua:8: in main chunk
> daemon.err uhttpd[873]:        [C]: in function 'require'
> daemon.err uhttpd[873]:        /usr/lib/lua/luci/config.lua:4: in main chunk
> daemon.err uhttpd[873]:        [C]: in function 'require'
> daemon.err uhttpd[873]: /usr/lib/lua/luci/cacheloader.lua:5: in main chunk
> daemon.err uhttpd[873]:        [C]: in function 'require'
> daemon.err uhttpd[873]:        /www/cgi-bin/luci:2: in main chunk
> daemon.err uhttpd[873]:        [C]: ?


I was able to reproduce this on ar71xx. Minimal testcase:

> s = 'foo'
> print(s:sub(2))

fails, while

> print(s.sub(s, 2))

works correctly, even though the former is only syntactic sugar for the
latter. FWIW, type(s) correctly states that s is a string. Looking into it now.

Matthias

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