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-rw-r--r--Include/pyport.h3
-rw-r--r--Python/ceval.c1
2 files changed, 3 insertions, 1 deletions
diff --git a/Include/pyport.h b/Include/pyport.h
index 0993b54..fe27fbc 100644
--- a/Include/pyport.h
+++ b/Include/pyport.h
@@ -182,8 +182,9 @@ typedef int Py_ssize_clean_t;
*/
#if defined(_MSC_VER)
-# if defined(PY_LOCAL_AGGRESSIVE) && !defined(Py_DEBUG)
+# if defined(PY_LOCAL_AGGRESSIVE)
/* enable more aggressive optimization for MSVC */
+ /* active in both release and debug builds - see bpo-43271 */
# pragma optimize("gt", on)
#endif
/* ignore warnings if the compiler decides not to inline a function */
diff --git a/Python/ceval.c b/Python/ceval.c
index 8ec00bc..abdea1d 100644
--- a/Python/ceval.c
+++ b/Python/ceval.c
@@ -7,6 +7,7 @@
*/
/* enable more aggressive intra-module optimizations, where available */
+/* affects both release and debug builds - see bpo-43271 */
#define PY_LOCAL_AGGRESSIVE
#include "Python.h"