/tmp/ccx3SH2W.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/ccx3SH2W.o
foo.cc:(.text.startup+0x19): relocation truncated to fit: R_X86_64_PC32 against symbol `n' defined in .bss section in /tmp/ccx3SH2W.o
foo.cc:(.text.startup+0x48): relocation truncated to fit: R_X86_64_PC32 against symbol `n' defined in .bss section in /tmp/ccx3SH2W.o
foo.cc:(.text.startup+0x60): relocation truncated to fit: R_X86_64_PC32 against symbol `n' defined in .bss section in /tmp/ccx3SH2W.o
foo.cc:(.text.startup+0xa8): relocation truncated to fit: R_X86_64_PC32 against symbol `n' defined in .bss section in /tmp/ccx3SH2W.o
/tmp/ccx3SH2W.o: In function `_GLOBAL__sub_I_n':
foo.cc:(.text.startup+0xc3): relocation truncated to fit: R_X86_64_PC32 against `.bss'
foo.cc:(.text.startup+0xe1): relocation truncated to fit: R_X86_64_PC32 against `.bss'
collect2: error: ld returned 1 exit status

自豪的采用HydroJudge(https://github.com/hydro-dev/Hydro)进行评测。