/tmp/ccsY9bJt.o: In function `dp(int)':
foo.cc:(.text+0x32): relocation truncated to fit: R_X86_64_PC32 against symbol `f' defined in .bss section in /tmp/ccsY9bJt.o
foo.cc:(.text+0x8f): relocation truncated to fit: R_X86_64_PC32 against symbol `f' defined in .bss section in /tmp/ccsY9bJt.o
foo.cc:(.text+0xa3): relocation truncated to fit: R_X86_64_PC32 against symbol `f' defined in .bss section in /tmp/ccsY9bJt.o
/tmp/ccsY9bJt.o: In function `main':
foo.cc:(.text.startup+0x8e): relocation truncated to fit: R_X86_64_PC32 against symbol `f' defined in .bss section in /tmp/ccsY9bJt.o
/tmp/ccsY9bJt.o: In function `_GLOBAL__sub_I_f':
foo.cc:(.text.startup+0xb3): relocation truncated to fit: R_X86_64_PC32 against `.bss'
foo.cc:(.text.startup+0xd1): relocation truncated to fit: R_X86_64_PC32 against `.bss'
collect2: error: ld returned 1 exit status