bootstrap-ubsan compilation fails due to lto-plugin

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Hi,

Issuing a configure and make on a x86_64-linux fails due to lto and a missing symbol: /usr/bin/ld: /home/pmatos/projects/EXTERNAL/builds/gcc-trunk/./gcc/liblto_plugin.so: error loading plugin: /home/pmatos/projects/EXTERNAL/builds/gcc-trunk/./gcc/liblto_plugin.so: undefined symbol: __ubsan_handle_type_mismatch


Configure line was:

$ ../../gcc-trunk/configure --prefix=/home/pmatos/local-install/stow/gcc-r208755 --with-build-config=bootstrap-ubsan --enable-checking --enable-debug --enable-languages=c,c++,go --enable-lto

Is lto in anyway incompatible with ubsan?
--
PMatos





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