/tmp/ccCQGefK.o: In function `main':
foo.cc:(.text.startup+0x7): relocation truncated to fit: R_X86_64_PC32 against symbol `n' defined in .bss section in /tmp/ccCQGefK.o
foo.cc:(.text.startup+0x24): relocation truncated to fit: R_X86_64_PC32 against symbol `m' defined in .bss section in /tmp/ccCQGefK.o
foo.cc:(.text.startup+0x33): relocation truncated to fit: R_X86_64_PC32 against symbol `k' defined in .bss section in /tmp/ccCQGefK.o
foo.cc:(.text.startup+0x42): relocation truncated to fit: R_X86_64_PC32 against symbol `n' defined in .bss section in /tmp/ccCQGefK.o
foo.cc:(.text.startup+0x49): relocation truncated to fit: R_X86_64_PC32 against symbol `m' defined in .bss section in /tmp/ccCQGefK.o
foo.cc:(.text.startup+0x5f): relocation truncated to fit: R_X86_64_PC32 against symbol `n' defined in .bss section in /tmp/ccCQGefK.o
foo.cc:(.text.startup+0x66): relocation truncated to fit: R_X86_64_PC32 against symbol `m' defined in .bss section in /tmp/ccCQGefK.o
foo.cc:(.text.startup+0x111): relocation truncated to fit: R_X86_64_PC32 against symbol `k' defined in .bss section in /tmp/ccCQGefK.o
foo.cc:(.text.startup+0x230): relocation truncated to fit: R_X86_64_PC32 against symbol `k' defined in .bss section in /tmp/ccCQGefK.o
foo.cc:(.text.startup+0x282): relocation truncated to fit: R_X86_64_PC32 against symbol `k' defined in .bss section in /tmp/ccCQGefK.o
/tmp/ccCQGefK.o: In function `_GLOBAL__sub_I_n':
foo.cc:(.text.startup+0x4b3): additional relocation overflows omitted from the output
collect2: error: ld returned 1 exit status