/tmp/ccJhUP96.o: In function `main':
foo.cc:(.text.startup+0x16): relocation truncated to fit: R_X86_64_PC32 against symbol `AC' defined in .bss section in /tmp/ccJhUP96.o
foo.cc:(.text.startup+0x36): relocation truncated to fit: R_X86_64_PC32 against symbol `s' defined in .bss section in /tmp/ccJhUP96.o
foo.cc:(.text.startup+0x4b): relocation truncated to fit: R_X86_64_PC32 against symbol `AC' defined in .bss section in /tmp/ccJhUP96.o
foo.cc:(.text.startup+0x361): relocation truncated to fit: R_X86_64_PC32 against symbol `s' defined in .bss section in /tmp/ccJhUP96.o
foo.cc:(.text.startup+0x3ae): relocation truncated to fit: R_X86_64_PC32 against symbol `s' defined in .bss section in /tmp/ccJhUP96.o
/tmp/ccJhUP96.o: In function `_GLOBAL__sub_I_AC':
foo.cc:(.text.startup+0x5d3): relocation truncated to fit: R_X86_64_PC32 against `.bss'
foo.cc:(.text.startup+0x5f1): relocation truncated to fit: R_X86_64_PC32 against `.bss'
foo.cc:(.text.startup+0x5fd): relocation truncated to fit: R_X86_64_PC32 against symbol `AC' defined in .bss section in /tmp/ccJhUP96.o
foo.cc:(.text.startup+0x610): relocation truncated to fit: R_X86_64_PC32 against symbol `AC' defined in .bss section in /tmp/ccJhUP96.o
collect2: error: ld returned 1 exit status