printf("%La\n", 1e1000L) crashes with segv.

[Takashi Yano]

On Sun, 28 Nov 2021 16:49:53 +0900
Takashi Yano wrote:
> I noticed that printf("%La\n", 1e1000L) crashes with segv.
> I confirmed this in 32bit cygwin, however, I guess this is
> newlib issue.
> 
> Is this the known issue?

I found that the main cause of this issue is lack of frexpl()
function. This is not implemented yet in newlib.

I have made a patch which implements frexpl() to fix this issue.

Please see attachd patch.

-- 
Takashi Yano <takashi.yano@nifty.ne.jp>
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