bpo-38205: Py_UNREACHABLE() calls Py_FatalError() (GH-16290) (GH-16306)

vstinner · web-flow · commit 245d439320e0 · 2019-09-20T23:36:32.000+02:00
(cherry picked from commit b154258)
diff --git a/Include/pymacro.h b/Include/pymacro.h
@@ -100,6 +100,7 @@
 #  define Py_UNUSED(name) _unused_ ## name
 #endif
 
-#define Py_UNREACHABLE() abort()
+#define Py_UNREACHABLE() \
+    Py_FatalError("Unreachable C code path reached")
 
 #endif /* Py_PYMACRO_H */
diff --git a/Misc/NEWS.d/next/C API/2019-09-19-18-26-29.bpo-38205.Db1OJL.rst b/Misc/NEWS.d/next/C API/2019-09-19-18-26-29.bpo-38205.Db1OJL.rst
@@ -0,0 +1 @@
+The :c:func:`Py_UNREACHABLE` macro now calls :c:func:`Py_FatalError`.

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	+The :c:func:`Py_UNREACHABLE` macro now calls :c:func:`Py_FatalError`.