(stabs) Nested Procedures

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 Nested Procedures
 =================
 
    For any of the symbol descriptors representing procedures, after the
 symbol descriptor and the type information is optionally a scope
 specifier.  This consists of a comma, the name of the procedure, another
 comma, and the name of the enclosing procedure.  The first name is local
 to the scope specified, and seems to be redundant with the name of the
 symbol (before the `:').  This feature is used by GCC, and presumably
 Pascal, Modula-2, etc., compilers, for nested functions.
 
    If procedures are nested more than one level deep, only the
 immediately containing scope is specified.  For example, this code:
 
      int
      foo (int x)
      {
        int bar (int y)
          {
            int baz (int z)
              {
                return x + y + z;
              }
            return baz (x + 2 * y);
          }
        return x + bar (3 * x);
      }
 
 produces the stabs:
 
      .stabs "baz:f1,baz,bar",36,0,0,_baz.15         # 36 is N_FUN
      .stabs "bar:f1,bar,foo",36,0,0,_bar.12
      .stabs "foo:F1",36,0,0,_foo
 

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