commit ff6bb0aa95259413f359d42410526ff0b4dccfb7
author Paul Monson <paulmon@users.noreply.github.com> Wed Jun 12 11:08:40 2019 -0700
committer Steve Dower <steve.dower@python.org> Wed Jun 12 11:08:40 2019 -0700
tree be24e3c9e6e69ce747d139dd1310f05e277b0912
parent daf62627518ad97ce66a48c49496aa0573cf0731

bpo-37236: pragma optimize off for _Py_c_quot on Windows arm64 (GH-13983)

Objects/complexobject.c

diff --git a/Objects/complexobject.c b/Objects/complexobject.c
index f78c0fd..a49da40 100644
--- a/Objects/complexobject.c
+++ b/Objects/complexobject.c
@@ -55,6 +55,10 @@
     return r;
 }
 
+/* Avoid bad optimization on Windows ARM64 until the compiler is fixed */
+#ifdef _M_ARM64
+#pragma optimize("", off)
+#endif
 Py_complex
 _Py_c_quot(Py_complex a, Py_complex b)
 {
@@ -112,6 +116,9 @@
     }
     return r;
 }
+#ifdef _M_ARM64
+#pragma optimize("", on)
+#endif
 
 Py_complex
 _Py_c_pow(Py_complex a, Py_complex b)