https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87754
--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> --- I've fixed the TCL issue, now the testcase FAILs: FAIL: g++.dg/lto/odr-1 (test for LTO warnings, odr-1_0.C line 6) FAIL: g++.dg/lto/odr-1 cp_lto_odr-1_0.o-cp_lto_odr-1_1.o link, -O0 -flto -flto-partition=none -fuse-linker-plugin (internal compiler error) FAIL: g++.dg/lto/odr-1 (test for LTO warnings, odr-1_0.C line 6) FAIL: g++.dg/lto/odr-1 cp_lto_odr-1_0.o-cp_lto_odr-1_1.o link, -O2 -flto -flto-partition=none -fuse-linker-plugin -fno-fat-lto-objects (internal compiler error) FAIL: g++.dg/lto/odr-1 (test for LTO warnings, odr-1_0.C line 6) FAIL: g++.dg/lto/odr-1 cp_lto_odr-1_0.o-cp_lto_odr-1_1.o link, -O0 -flto -flto-partition=1to1 -fno-use-linker-plugin (internal compiler error) FAIL: g++.dg/lto/odr-1 (test for LTO warnings, odr-1_0.C line 6) FAIL: g++.dg/lto/odr-1 cp_lto_odr-1_0.o-cp_lto_odr-1_1.o link, -O2 -flto -flto-partition=1to1 -fno-use-linker-plugin (internal compiler error) FAIL: g++.dg/lto/odr-1 (test for LTO warnings, odr-1_0.C line 6) FAIL: g++.dg/lto/odr-1 cp_lto_odr-1_0.o-cp_lto_odr-1_1.o link, -O0 -flto -fuse-linker-plugin -fno-fat-lto-objects (internal compiler error) FAIL: g++.dg/lto/odr-1 (test for LTO warnings, odr-1_0.C line 6) FAIL: g++.dg/lto/odr-1 cp_lto_odr-1_0.o-cp_lto_odr-1_1.o link, -O2 -flto -fuse-linker-plugin (internal compiler error)