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(grokdeclarator): Generate a warning if -Wimplicit, unless a warning 

was already generated by -Wreturn-type.

From-SVN: r13135
This commit is contained in:
Richard Kenner 1996-11-12 14:17:33 -05:00
parent 2f23fcc9f1
commit 720283f2eb
1 changed files with 14 additions and 4 deletions
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18
gcc/c-decl.c
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@ -4277,10 +4277,20 @@ grokdeclarator (declarator, declspecs, decl_context, initialized)
if (type == 0)
{
if (funcdef_flag && warn_return_type
&& ! (specbits & ((1 << (int) RID_LONG) | (1 << (int) RID_SHORT)
| (1 << (int) RID_SIGNED) | (1 << (int) RID_UNSIGNED))))
warn_about_return_type = 1;
if (! (specbits & ((1 << (int) RID_LONG) | (1 << (int) RID_SHORT)
| (1 << (int) RID_SIGNED)
| (1 << (int) RID_UNSIGNED))))
{
/* C9x will probably require a diagnostic here.
For now, issue a warning if -Wreturn-type and this is a function,
or if -Wimplicit; prefer the former warning since it is more
explicit. */
if ((warn_implicit || warn_return_type) && funcdef_flag)
warn_about_return_type = 1;
else if (warn_implicit)
warning ("type defaults to `int' in declaration of `%s'", name);
}
defaulted_int = 1;
type = integer_type_node;
}