Merge pull request #13305 from Dante-Broggi/master

Author: swift-ci

stdlib/public/core/FloatingPointTypes.swift.gyb

@@ -1354,7 +1354,9 @@ extension ${Self} : _ExpressibleByBuiltinIntegerLiteral, ExpressibleByIntegerLit
   }
 }
 
+% if bits != 80:
 #if !os(Windows) && (arch(i386) || arch(x86_64))
+% end
 
 % builtinFloatLiteralBits = 80
 extension ${Self} : _ExpressibleByBuiltinFloatLiteral {
@@ -1373,6 +1375,7 @@ extension ${Self} : _ExpressibleByBuiltinFloatLiteral {
   }
 }
 
+% if bits != 80:
 #else
 
 % builtinFloatLiteralBits = 64
@@ -1393,6 +1396,7 @@ extension ${Self} : _ExpressibleByBuiltinFloatLiteral {
 }
 
 #endif
+% end
 
 extension ${Self} : Hashable {
   /// The number's hash value.
@@ -1519,7 +1523,7 @@ extension ${Self} {
 %   srcBits = src_type.bits
 %   That = src_type.stdlib_name
 
-%   if srcBits == 80:
+%   if (srcBits == 80) and (bits != 80):
 #if !os(Windows) && (arch(i386) || arch(x86_64))
 %   end
 
@@ -1584,7 +1588,7 @@ extension ${Self} {
     }
   }
 
-%   if srcBits == 80:
+%   if (srcBits == 80) and (bits != 80):
 #endif
 %   end
 % end
@@ -1721,6 +1725,20 @@ extension ${Self} {
 }
 
 % if bits == 80:
+#else
+
+${SelfDocComment}
+@_fixed_layout
+@available(*, unavailable, message: "Float80 is only available on non-Windows x86 targets.")
+public struct ${Self} {
+  /// Creates a value initialized to zero.
+  @_inlineable // FIXME(sil-serialize-all)
+  @_transparent
+  public init() {
+    fatalError("${Self} is not available")
+  }
+}
+
 #endif
 % end
 % end # for bits in all_floating_point_types