[MacRuby-devel] A build error occurs that specified i368 arch with Trunk Head.

[Watson]

 A build error occurs when I specified i386 arch only.
x86_64 arch only or Universal Binary build succeeded.

$ RC_ARCHS=i386 rake jobs=2
--- snip ---
./miniruby -I. -I./lib bin/rubyc --internal --arch i386 -C
"ext/ripper/lib/ripper/sexp.rb" -o "ext/ripper/lib/ripper/sexp.rbo"
./miniruby -I. -I./lib bin/rubyc --internal --arch i386 -C
"ext/ripper/lib/ripper.rb" -o "ext/ripper/lib/ripper.rbo"
cd ext/bigdecimal && ../../miniruby -I../.. -I../../lib -r rbconfig -e
"RbConfig::CONFIG['libdir'] = '../..'; require './extconf.rb'"cd
ext/digest/bubblebabble && ../../../miniruby -I../../.. -I../../../lib
-r rbconfig -e "RbConfig::CONFIG['libdir'] = '../../..'; require
'./extconf.rb'"

Assertion failed: (((NumArgs == FTy->getNumParams()) || (FTy->isVarArg()
&& NumArgs > FTy->getNumParams())) && "Invoking a function with bad
signature"), function init, file Instructions.cpp, line 559.
Assertion failed: (((NumArgs == FTy->getNumParams()) || (FTy->isVarArg()
&& NumArgs > FTy->getNumParams())) && "Invoking a function with bad
signature"), function init, file Instructions.cpp, line 559.
sh: line 1: 23500 Abort trap ../../miniruby -I../.. -I../../lib -r
rbconfig -e "RbConfig::CONFIG['libdir'] = '../..'; require './extconf.rb'"
sh: line 1: 23501 Abort trap ../../../miniruby -I../../.. -I../../../lib
-r rbconfig -e "RbConfig::CONFIG['libdir'] = '../../..'; require
'./extconf.rb'"
rake aborted!
Command failed with status (134): [cd ext/bigdecimal && ../../miniruby
-I../....]

(See full trace by running task with --trace)