Merge pull request swiftlang#73205 from mikeash/libprespecialize-stack-allocated-demangler

mikeash · web-flow · commit e373cae72967 · 2024-04-24T09:01:54.000-04:00
[Runtime] Use StackAllocatedDemangler in getLibPrespecializedMetadata.
diff --git a/stdlib/public/runtime/LibPrespecialized.cpp b/stdlib/public/runtime/LibPrespecialized.cpp
@@ -294,7 +294,7 @@ swift::getLibPrespecializedMetadata(const TypeContextDescriptor *description,
     }
   }
 
-  Demangler dem;
+  StackAllocatedDemangler<4096> dem;
   auto mangleNode = _buildDemanglingForGenericType(description, arguments, dem);
   if (!mangleNode) {
     LOG("failed to build demangling with descriptor %p.", description);

Original file line number	Diff line number	Diff line change
`@@ -294,7 +294,7 @@ swift::getLibPrespecializedMetadata(const TypeContextDescriptor *description,`
`294`	`294`	`}`
`295`	`295`	`}`
`296`	`296`
`297`		`- Demangler dem;`
	`297`	`+ StackAllocatedDemangler<4096> dem;`
`298`	`298`	`auto mangleNode = _buildDemanglingForGenericType(description, arguments, dem);`
`299`	`299`	`if (!mangleNode) {`
`300`	`300`	`LOG("failed to build demangling with descriptor %p.", description);`