sys-devel/gcc-4.5.3 LDPATH multilib setup is incorrect it set up MANPATH="/usr/share/gcc-data/x86_64-pc-linux-gnu/4.5.3/man" INFOPATH="/usr/share/gcc-data/x86_64-pc-linux-gnu/4.5.3/info" LDPATH="/usr/lib/gcc/x86_64-pc-linux-gnu/4.5.3:/usr/lib/gcc-lib/x86_64-pc-linux-gnu/3.3.6:/usr/lib/gcc-lib/x86_64-pc-linux-gnu/3.3.6/32" PATH="/usr/x86_64-pc-linux-gnu/gcc-bin/4.5.3" ROOTPATH="/usr/x86_64-pc-linux-gnu/gcc-bin/4.5.3" GCC_SPECS="" but it should be: MANPATH="/usr/share/gcc-data/x86_64-pc-linux-gnu/4.5.3/man" INFOPATH="/usr/share/gcc-data/x86_64-pc-linux-gnu/4.5.3/info" LDPATH="/usr/lib/gcc/x86_64-pc-linux-gnu/4.5.3/32:/usr/lib/gcc/x86_64-pc-linux-gnu/4.5.3:/usr/lib/gcc-lib/x86_64-pc-linux-gnu/3.3.6:/usr/lib/gcc-lib/x86_64-pc-linux-gnu/3.3.6/32" PATH="/usr/x86_64-pc-linux-gnu/gcc-bin/4.5.3" ROOTPATH="/usr/x86_64-pc-linux-gnu/gcc-bin/4.5.3" GCC_SPECS="" so in LDPATH is "/usr/lib/gcc/x86_64-pc-linux-gnu/4.5.3/32" missing... so 32bit Apps fail to load.
*** This bug has been marked as a duplicate of bug 377633 ***