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  1. int f(int x) {
  2.     // If x < 5, then UB.
  3.     if (x >= 5)
  4.         return 6;
  5.     // As specified, UB occurs.
  6. }
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
prog.cpp: In function ‘int f(int)’:
prog.cpp:6: warning: control reaches end of non-void function
/usr/lib/gcc/i686-pc-linux-gnu/4.3.4/../../../crt1.o: In function `_start':
(.text+0x18): undefined reference to `main'
collect2: ld returned 1 exit status
stdout
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Standard output is empty
https://ideone.com/C21Bzz
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
public

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