/tmp/ccTT18Ti.o: in function `main':
foo.cc:(.text.startup+0x5): relocation truncated to fit: R_X86_64_PC32 against symbol `n' defined in .bss section in /tmp/ccTT18Ti.o
foo.cc:(.text.startup+0x1f): relocation truncated to fit: R_X86_64_PC32 against symbol `x' defined in .bss section in /tmp/ccTT18Ti.o
foo.cc:(.text.startup+0x27): relocation truncated to fit: R_X86_64_PC32 against symbol `y' defined in .bss section in /tmp/ccTT18Ti.o
foo.cc:(.text.startup+0x42): relocation truncated to fit: R_X86_64_PC32 against symbol `m' defined in .bss section in /tmp/ccTT18Ti.o
foo.cc:(.text.startup+0x50): relocation truncated to fit: R_X86_64_PC32 against symbol `m' defined in .bss section in /tmp/ccTT18Ti.o
foo.cc:(.text.startup+0x75): relocation truncated to fit: R_X86_64_PC32 against symbol `x' defined in .bss section in /tmp/ccTT18Ti.o
foo.cc:(.text.startup+0x7c): relocation truncated to fit: R_X86_64_PC32 against symbol `y' defined in .bss section in /tmp/ccTT18Ti.o
foo.cc:(.text.startup+0x92): relocation truncated to fit: R_X86_64_PC32 against symbol `m' defined in .bss section in /tmp/ccTT18Ti.o
foo.cc:(.text.startup+0xa0): relocation truncated to fit: R_X86_64_PC32 against symbol `n' defined in .bss section in /tmp/ccTT18Ti.o
/tmp/ccTT18Ti.o: in function `_GLOBAL__sub_I_n':
foo.cc:(.text.startup+0x254): relocation truncated to fit: R_X86_64_PC32 against `.bss'
collect2: error: ld returned 1 exit status