/tmp/ccNG37sA.o: In function `ola()':
foo.cc:(.text+0x55): relocation truncated to fit: R_X86_64_32S against symbol `is_prime' defined in .bss section in /tmp/ccNG37sA.o
foo.cc:(.text+0x96): relocation truncated to fit: R_X86_64_32S against symbol `is_prime' defined in .bss section in /tmp/ccNG37sA.o
/tmp/ccNG37sA.o: In function `main':
foo.cc:(.text.startup+0x48): relocation truncated to fit: R_X86_64_32S against symbol `is_prime' defined in .bss section in /tmp/ccNG37sA.o
/tmp/ccNG37sA.o: In function `_GLOBAL__sub_I_is_prime':
foo.cc:(.text.startup+0x155): relocation truncated to fit: R_X86_64_32 against `.bss'
foo.cc:(.text.startup+0x164): relocation truncated to fit: R_X86_64_32 against `.bss'
collect2: error: ld returned 1 exit status