STINNER Victor added the comment:
> Which compiler needs more than "abort();" in a default statement? gcc and
> clang don't.
Again, I'm not sure that bpo-28152 is directly related to this issue, but here
an example:
$ git diff
diff --git a/Parser/grammar.c b/Parser/grammar.c
index 75fd5b9cde..2b7da68929 100644
--- a/Parser/grammar.c
+++ b/Parser/grammar.c
@@ -139,13 +139,6 @@ findlabel(labellist *ll, int type, const char *str)
}
fprintf(stderr, "Label %d/'%s' not found\n", type, str);
Py_FatalError("grammar.c:findlabel()");
-
- /* Py_FatalError() is declared with __attribute__((__noreturn__)).
- GCC emits a warning without "return 0;" (compiler bug!), but Clang is
- smarter and emits a warning on the return... */
-#ifndef __clang__
- return 0; /* Make gcc -Wall happy */
-#endif
}
/* Forward */
$ make
Parser/grammar.c: In function '_Py_findlabel':
Parser/grammar.c:142:1: warning: control reaches end of non-void function
[-Wreturn-type]
----------
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<http://bugs.python.org/issue31338>
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