/tmp/ccD3VbTr.o: In function `main':
foo.cc:(.text.startup+0x27): relocation truncated to fit: R_X86_64_PC32 against symbol `n' defined in .bss section in /tmp/ccD3VbTr.o
foo.cc:(.text.startup+0x3c): relocation truncated to fit: R_X86_64_PC32 against symbol `n' defined in .bss section in /tmp/ccD3VbTr.o
foo.cc:(.text.startup+0x59): relocation truncated to fit: R_X86_64_PC32 against symbol `pre' defined in .bss section in /tmp/ccD3VbTr.o
foo.cc:(.text.startup+0x60): relocation truncated to fit: R_X86_64_PC32 against symbol `pre' defined in .bss section in /tmp/ccD3VbTr.o
foo.cc:(.text.startup+0x91): relocation truncated to fit: R_X86_64_PC32 against symbol `n' defined in .bss section in /tmp/ccD3VbTr.o
foo.cc:(.text.startup+0x116): relocation truncated to fit: R_X86_64_PC32 against symbol `pre' defined in .bss section in /tmp/ccD3VbTr.o
/tmp/ccD3VbTr.o: In function `_GLOBAL__sub_I_n':
foo.cc:(.text.startup+0x213): relocation truncated to fit: R_X86_64_PC32 against `.bss'
foo.cc:(.text.startup+0x231): relocation truncated to fit: R_X86_64_PC32 against `.bss'
collect2: error: ld returned 1 exit status