/tmp/cc9J2E8v.o: In function `main':
foo.cc:(.text.startup+0x43): relocation truncated to fit: R_X86_64_PC32 against symbol `c' defined in .bss section in /tmp/cc9J2E8v.o
foo.cc:(.text.startup+0x4a): relocation truncated to fit: R_X86_64_PC32 against symbol `w' defined in .bss section in /tmp/cc9J2E8v.o
foo.cc:(.text.startup+0xc8): relocation truncated to fit: R_X86_64_PC32 against symbol `w' defined in .bss section in /tmp/cc9J2E8v.o
/tmp/cc9J2E8v.o: In function `_GLOBAL__sub_I_w':
foo.cc:(.text.startup+0x193): relocation truncated to fit: R_X86_64_PC32 against `.bss'
foo.cc:(.text.startup+0x1b1): relocation truncated to fit: R_X86_64_PC32 against `.bss'
collect2: error: ld returned 1 exit status