# Nonsensical program used to generate an example DWARF4 and DWARF5 file.

# The generated code is the same, but the DWARF representation is different.

# = hello.h =

extern int m;

extern int baz (int x);

static inline int

frob (int a, int b)

{

  int c = a;

  if (a > b)

    c -= b;

  return baz (c);

}

# = hello.c =

#include <stddef.h>

#include "hello.h"

extern int main (int, char **);

int m = 2;

wchar_t foo (wchar_t);

int baz (int x)

{

  int r = x;

  if (x > m)

    r -= m;

  r = foo (r);

  return r;

}

wchar_t

foo (wchar_t f)

{

  if (f < 0)

    return main (f, NULL);

  return f > 0 ? frob (f - 1, m) : 0;

}

# = world.c =

#include "hello.h"

#include <stdlib.h>

int

calc (const char *word)

{

  if (word == 0 || word[0] == '\0')

    return 0;

  return frob (word[0], m + 42);

}

int

main (int argc, const char **argv)

{

  const char *n;

  if (argc > 1)

    n = argv[0];

  else

    n = "world";

  exit (calc (n));

}

$ gcc -gdwarf-4 -gno-as-loc-support -gno-variable-location-views -O2 -c world.c

$ gcc -gdwarf-4 -gno-as-loc-support -gno-variable-location-views -O2 -c hello.c

$ gcc -o testfile-dwarf-4 hello.o world.o

$ gcc -gdwarf-5 -gno-as-loc-support -gno-variable-location-views -O2 -c world.c

$ gcc -gdwarf-5 -gno-as-loc-support -gno-variable-location-views -O2 -c hello.c

$ gcc -o testfile-dwarf-5 hello.o world.o

$ gcc -gdwarf-4 -gsplit-dwarf -gno-as-loc-support -gno-variable-location-views -O2 -o testfile-world4.o -c world.c

$ gcc -gdwarf-4 -gsplit-dwarf -gno-as-loc-support -gno-variable-location-views -O2 -o testfile-hello4.o -c hello.c

$ gcc -o testfile-splitdwarf-4 testfile-hello4.o testfile-world4.o

$ gcc -gdwarf-5 -gsplit-dwarf -gno-as-loc-support -gno-variable-location-views -O2 -o testfile-world5.o -c world.c

$ gcc -gdwarf-5 -gsplit-dwarf -gno-as-loc-support -gno-variable-location-views -O2 -o testfile-hello5.o -c hello.c

$ gcc -o testfile-splitdwarf-5 testfile-hello5.o testfile-world5.o