/tmp/ccTL5CZy.o: In function `main':
foo.cc:(.text.startup+0x15): relocation truncated to fit: R_X86_64_PC32 against symbol `n' defined in .bss section in /tmp/ccTL5CZy.o
foo.cc:(.text.startup+0x21): relocation truncated to fit: R_X86_64_PC32 against symbol `n' defined in .bss section in /tmp/ccTL5CZy.o
foo.cc:(.text.startup+0x27): relocation truncated to fit: R_X86_64_PC32 against symbol `m' defined in .bss section in /tmp/ccTL5CZy.o
foo.cc:(.text.startup+0x33): relocation truncated to fit: R_X86_64_PC32 against symbol `a' defined in .bss section in /tmp/ccTL5CZy.o
foo.cc:(.text.startup+0x51): relocation truncated to fit: R_X86_64_PC32 against symbol `n' defined in .bss section in /tmp/ccTL5CZy.o
foo.cc:(.text.startup+0x5a): relocation truncated to fit: R_X86_64_PC32 against symbol `a' defined in .bss section in /tmp/ccTL5CZy.o
foo.cc:(.text.startup+0x72): relocation truncated to fit: R_X86_64_PC32 against symbol `m' defined in .bss section in /tmp/ccTL5CZy.o
foo.cc:(.text.startup+0x82): relocation truncated to fit: R_X86_64_PC32 against symbol `a' defined in .bss section in /tmp/ccTL5CZy.o
foo.cc:(.text.startup+0x140): relocation truncated to fit: R_X86_64_PC32 against symbol `a' defined in .bss section in /tmp/ccTL5CZy.o
foo.cc:(.text.startup+0x160): relocation truncated to fit: R_X86_64_PC32 against symbol `m' defined in .bss section in /tmp/ccTL5CZy.o
/tmp/ccTL5CZy.o: In function `_GLOBAL__sub_I_n':
foo.cc:(.text.startup+0x483): additional relocation overflows omitted from the output
collect2: error: ld returned 1 exit status