llvm-gcc bootstrap failures

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1

I've had failing llvm-gcc bootstraps on x86_64 for about a week now.
It falls over when trying to link makedepend with a stage1 compiler:

[x86_64-off-opt]: libcpp.a(charset.o): In function `init_iconv_desc':
[x86_64-off-opt]: (.text+0xef7): undefined reference to `alloca'

[And hundreds more of similar nature]

Supposedly gcc doesn't inline alloca if -ansi or -fno-builtin is specified,
but neither one of those conditions hold for any file built during
bootstrapping.

Ideas?

                                           -Dave

2

I should clarify that this is with llvm-gcc 4.2. I know that's not ready
from primetime yet.

                                               -Dave