use a global variable, so the compiler doesn't optimize the assignment out
diff --git a/Modules/_testcapimodule.c b/Modules/_testcapimodule.c
index 145d5b6..4e81d63 100644
--- a/Modules/_testcapimodule.c
+++ b/Modules/_testcapimodule.c
@@ -474,6 +474,8 @@
#ifdef Py_USING_UNICODE
+volatile int x;
+
/* Test the u and u# codes for PyArg_ParseTuple. May leak memory in case
of an error.
*/
@@ -486,8 +488,7 @@
/* issue4122: Undefined reference to _Py_ascii_whitespace on Windows */
/* Just use the macro and check that it compiles */
- int x = Py_UNICODE_ISSPACE(25);
- x = x;
+ x = Py_UNICODE_ISSPACE(25);
tuple = PyTuple_New(1);
if (tuple == NULL)