GHC/Float.lhs on Mac OS X 10.4 can not always be compiled with -split-objs

compiling vith -fasm fails:

../../compiler/ghc-inplace -O -fasm -fglasgow-exts -cpp -Iinclude -"#include" HsBase.h -funbox-strict-fields -package-name  base-2.1.1 -fgenerics -split-objs    -c GHC/Float.lhs -o GHC/Float.o  -ohi GHC/Float.hi
/tmp/ghc12017_0/ghc12017_0.split__38.s:unknown:missing indirect symbols for section (__TEXT,__symbol_stub)

it succeeds with -fvia-C

../../compiler/ghc-inplace -O -fvia-C -fglasgow-exts -cpp -Iinclude -"#include" HsBase.h -funbox-strict-fields -package-name  base-2.1.1 -fgenerics -split-objs -c GHC/Float.lhs -o GHC/Float.o  -ohi GHC/Float.hi

it succeeds in all cases without -split-objs. The above failure caused the first Failed to load interface for Prelude'` error reported in #1437

Trac metadata

Trac field	Value
Version	6.6.1
Type	Bug
TypeOfFailure	OtherFailure
Priority	normal
Resolution	Unresolved
Component	Compiler
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