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From: "mss at tutanota dot de" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug target/100041] ICE in curr_insn_transform, at
 lra-constraints.c:4022
Date: Mon, 12 Apr 2021 12:26:18 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D100041

--- Comment #21 from mss at tutanota dot de ---
(In reply to Jakub Jelinek from comment #19)
> I'm worried that there isn't enough time to find out before GCC11 release=
 if
> some packages in the wild aren't using that option.
> E.g. I wonder where it comes from in this PR.  Clearly it doesn't come fr=
om
> gcc, so does it come from LLVM makefiles or has the reporter just added i=
t?

I was trying to build an LLVM for one of my machines from a much more power=
ful
machine and wanted to add the flags that `-march=3Dnative' enables for that
processor but I was unaware that `-m128bit-long-double' was enabled by defa=
ult
already.

I accidentally added `-m96bit-long-double' myself instead of
`-m128bit-long-double', running g++ with both `-m64' and `-m96bit-long-doub=
le'
caused the ICE.=