gcc/testsuite/gcc.dg/lto/20111207-1_0.c

/* { dg-lto-do run } */
/* { dg-lto-options { { -flto -fcommon } {-fcommon} {-fcommon} {-fcommon} } } */
/* { dg-require-linker-plugin "" } */
/* { dg-extra-ld-options "-fuse-linker-plugin" } */