[LLVMdev] Using non-system compiler to build llvm and llvm-gcc front end

[Duncan Sands]

Hi Scott,

> On Tue, May 5, 2009 at 12:26 PM, Duncan Sands <baldrick at free.fr> wrote:
> > this is indeed a miscompilation by your system compiler.  However so many
> > compilers miscompiled this that a workaround was committed to svn.  So you
> > may want to check out llvm and llvm-gcc from svn.  Alternatively, maybe
> > the patch applies to llvm 2.5 too.  I've attached it.
> 
> I will try the latest from svn... but quick follow up question: If it
> looks like a miscompilation by my system compiler (gcc 4.1.2), why
> wasn't gcc-4.2.4 used? Did I make a mistake in configuration? Maybe I
> am misunderstanding the build process.

some versions of gcc 4.2 also miscompile this on 64 bit platforms...
By the way, I attached the wrong patch.  Try this new one instead!

Ciao,

Duncan.
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