[LLVMdev] New llvm-gcc bootstrap failure

[John Regehr]

Just to confirm that gcc-4.1.2 is the problem (as opposed to libc or 
whatever) I can build a release version of llvm-gcc just fine on Ubuntu 
Feisty using gcc-4.3.2.

So either some undefined behavior snuck into llvm that only manifests on 
this compiler, or else 4.1.2 is miscompiling something.

John



>> I've seen this error too with gcc version 4.1.2 20070626 (Red Hat 4.1.2-14).
>> I do not see it with gcc version 3.4.6 20060404 (Red Hat 3.4.6-9).
>
> Right-- Ubuntu Feisty also uses 4.1.2, and fails to build LLVM.
>
> The newer Ubuntu uses 4.2.something and compiles LLVM cleanly.
>
> John
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