Workaround Apple clang bugs in constexpr evaluation. (#829)

BillyONeal · ras0219-msft · commit 633322537e10 · 2018-08-06T06:17:23.000-07:00
diff --git a/Release/src/utilities/asyncrt_utils.cpp b/Release/src/utilities/asyncrt_utils.cpp
@@ -51,7 +51,7 @@ namespace
         }
     };
 
-    constexpr to_lower_ch_impl to_lower_ch;
+    constexpr to_lower_ch_impl to_lower_ch{};
 
     struct eq_lower_ch_impl
     {
@@ -62,7 +62,7 @@ namespace
         }
     };
 
-    constexpr eq_lower_ch_impl eq_lower_ch;
+    constexpr eq_lower_ch_impl eq_lower_ch{};
 
     struct lt_lower_ch_impl
     {
@@ -73,7 +73,7 @@ namespace
         }
     };
 
-    constexpr lt_lower_ch_impl lt_lower_ch;
+    constexpr lt_lower_ch_impl lt_lower_ch{};
 }
 
 namespace utility

Original file line number	Diff line number	Diff line change
`@@ -51,7 +51,7 @@ namespace`
`51`	`51`	`}`
`52`	`52`	`};`
`53`	`53`
`54`		`- constexpr to_lower_ch_impl to_lower_ch;`
	`54`	`+ constexpr to_lower_ch_impl to_lower_ch{};`
`55`	`55`
`56`	`56`	`struct eq_lower_ch_impl`
`57`	`57`	`{`
`@@ -62,7 +62,7 @@ namespace`
`62`	`62`	`}`
`63`	`63`	`};`
`64`	`64`
`65`		`- constexpr eq_lower_ch_impl eq_lower_ch;`
	`65`	`+ constexpr eq_lower_ch_impl eq_lower_ch{};`
`66`	`66`
`67`	`67`	`struct lt_lower_ch_impl`
`68`	`68`	`{`
`@@ -73,7 +73,7 @@ namespace`
`73`	`73`	`}`
`74`	`74`	`};`
`75`	`75`
`76`		`- constexpr lt_lower_ch_impl lt_lower_ch;`
	`76`	`+ constexpr lt_lower_ch_impl lt_lower_ch{};`
`77`	`77`	`}`
`78`	`78`
`79`	`79`	`namespace utility`