Separate variance information in mangled names (#63866)

MichalStrehovsky · web-flow · commit d48a44f2ee2f · 2022-01-17T09:11:44.000-08:00
Fixes dotnet/runtimelab#1821. Eventually we'll need to have a holistic look at how we mangle things.
diff --git a/src/coreclr/tools/aot/ILCompiler.Compiler/Compiler/DependencyAnalysis/GenericCompositionNode.cs b/src/coreclr/tools/aot/ILCompiler.Compiler/Compiler/DependencyAnalysis/GenericCompositionNode.cs
@@ -36,6 +36,7 @@ public void AppendMangledName(NameMangler nameMangler, Utf8StringBuilder sb)
 
             if (_details.Variance != null)
             {
+                sb.Append("__Variance__");
                 for (int i = 0; i < _details.Variance.Length; i++)
                 {
                     sb.Append('_');

Original file line number	Diff line number	Diff line change
`@@ -36,6 +36,7 @@ public void AppendMangledName(NameMangler nameMangler, Utf8StringBuilder sb)`
`36`	`36`
`37`	`37`	`if (_details.Variance != null)`
`38`	`38`	`{`
	`39`	`+ sb.Append("__Variance__");`
`39`	`40`	`for (int i = 0; i < _details.Variance.Length; i++)`
`40`	`41`	`{`
`41`	`42`	`sb.Append('_');`