/in/foo.cc: In function 'int dy()':
/in/foo.cc:54:1: warning: no return statement in function returning non-void [-Wreturn-type]
 }
 ^
/tmp/ccktYokZ.o: In function `dy()':
foo.cc:(.text._Z2dyv[_Z2dyv]+0x10): relocation truncated to fit: R_X86_64_PC32 against symbol `cnt' defined in .bss section in /tmp/ccktYokZ.o
foo.cc:(.text._Z2dyv[_Z2dyv]+0x23): relocation truncated to fit: R_X86_64_PC32 against symbol `len' defined in .bss section in /tmp/ccktYokZ.o
foo.cc:(.text._Z2dyv[_Z2dyv]+0x35): relocation truncated to fit: R_X86_64_PC32 against symbol `len' defined in .bss section in /tmp/ccktYokZ.o
foo.cc:(.text._Z2dyv[_Z2dyv]+0x54): relocation truncated to fit: R_X86_64_PC32 against symbol `Ans' defined in .bss section in /tmp/ccktYokZ.o
foo.cc:(.text._Z2dyv[_Z2dyv]+0x5a): relocation truncated to fit: R_X86_64_PC32 against symbol `Cnt' defined in .bss section in /tmp/ccktYokZ.o
foo.cc:(.text._Z2dyv[_Z2dyv]+0xc8): relocation truncated to fit: R_X86_64_PC32 against symbol `len' defined in .bss section in /tmp/ccktYokZ.o
foo.cc:(.text._Z2dyv[_Z2dyv]+0x11e): relocation truncated to fit: R_X86_64_PC32 against symbol `len' defined in .bss section in /tmp/ccktYokZ.o
foo.cc:(.text._Z2dyv[_Z2dyv]+0x14d): relocation truncated to fit: R_X86_64_PC32 against symbol `len' defined in .bss section in /tmp/ccktYokZ.o
foo.cc:(.text._Z2dyv[_Z2dyv]+0x1b4): relocation truncated to fit: R_X86_64_PC32 against symbol `Cnt' defined in .bss section in /tmp/ccktYokZ.o
foo.cc:(.text._Z2dyv[_Z2dyv]+0x1bf): relocation truncated to fit: R_X86_64_PC32 against symbol `Ans' defined in .bss section in /tmp/ccktYokZ.o
/tmp/ccktYokZ.o: In function `_GLOBAL__sub_I_m':
foo.cc:(.text.startup+0x13): additional relocation overflows omitted from the output
collect2: error: ld returned 1 exit status