[LLVMdev] llvm-gcc won't bootstrap
Devang Patel
dpatel at apple.com
Thu Apr 19 16:06:24 PDT 2007
On Apr 19, 2007, at 2:37 PM, David Greene wrote:
> Got a strange problem. With our modified llvm here,llvm-gcc won't
> bootstrap. It fails compiling unwind-dw2.c during translation from
> the gcc IR to llvm. It fails with -O0 -emit-llvm so according to
> the docs, this is strictly a frontend bug. A run of delta produced
> an 18 line testcase with nothing remarkable in it.
>
> However, it bootstraps fine using the official llvm sources. Note
> that the llvm-gcc sources used in both builds is identical.
unwind-dw2.c is compiled using newly built llvm-gcc which uses your
version of llvm for optimization and code generation. So there may be
a bug somewhere in your version of llvm that is mis-compiling llvm-gcc
that is used to compile unwind-dw2.c.
-
Devang
>
>
> How can this be?
>
> -Dave
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