On 20081011, Khem RAJ writes:
You have to bar gcc trying to build unwinding at stage 1.

/trunk/patches/gcc/4.2.0/290-sh-without-headers.patch | 26 26 0 0 ++++++++++++++++++++++++++
/trunk/patches/gcc/4.2.1/290-sh-without-headers.patch | 26 26 0 0 ++++++++++++++++++++++++++
/trunk/patches/gcc/4.2.2/290-sh-without-headers.patch | 26 26 0 0 ++++++++++++++++++++++++++
/trunk/patches/gcc/4.3.1/350-sh-without-headers.patch | 26 26 0 0 ++++++++++++++++++++++++++
/trunk/patches/gcc/4.2.3/310-sh-without-headers.patch | 26 26 0 0 ++++++++++++++++++++++++++
/trunk/patches/gcc/4.3.2/350-sh-without-headers.patch | 26 26 0 0 ++++++++++++++++++++++++++
/trunk/patches/gcc/4.2.4/310-sh-without-headers.patch | 26 26 0 0 ++++++++++++++++++++++++++
7 files changed, 182 insertions(+)

 Original patch from gentoo: gentoo/src/patchsets/gcc/4.3.0/gentoo/63_all_gcc43-pr35705.patch

 http://gcc.gnu.org/PR35705

 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

 	PR middle-end/35705

 	* fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if

 	the expression is a function address.

 diff -durN gcc-4.3.0.orig/gcc/fold-const.c gcc-4.3.0/gcc/fold-const.c

 --- gcc-4.3.0.orig/gcc/fold-const.c	2008-02-27 15:12:33.000000000 +0100

 +++ gcc-4.3.0/gcc/fold-const.c	2008-06-10 14:45:09.000000000 +0200

 @@ -9357,7 +9357,7 @@

  	    }

  	}

 -      if (DECL_P (expr))

 +      if (DECL_P (expr) && TREE_CODE (expr) != FUNCTION_DECL)

  	return DECL_ALIGN_UNIT (expr);

      }

    else if (code == POINTER_PLUS_EXPR)