[Build] Add ability to enable rendering of diagnostic names via local.properties

build.gradle.kts

@@ -123,8 +123,8 @@ if (!project.hasProperty("versions.kotlin-native")) {
     extra["versions.kotlin-native"] = "1.7.0-dev-1827"
 }
 
-
 val useJvmFir by extra(project.kotlinBuildProperties.useFir)
+val renderDiagnosticNames by extra(project.kotlinBuildProperties.renderDiagnosticNames)
 
 val irCompilerModules = arrayOf(
     ":compiler:ir.tree",
@@ -501,6 +501,9 @@ allprojects {
                 freeCompilerArgs += "-Xuse-fir"
                 freeCompilerArgs += "-Xabi-stability=stable"
             }
+            if (renderDiagnosticNames) {
+                freeCompilerArgs += "-Xrender-internal-diagnostic-names"
+            }
         }
     }
 

gradle.properties

@@ -62,6 +62,9 @@ org.gradle.vfs.watch=true
 # Disable -Werror compiler flag
 #kotlin.build.disable.werror=true
 
+# Render internal diagostic names
+#kotlin.build.render.diagnostic.names=true
+
 # Enable bootstrap from local build of compiler (build from ./gradlew publish)
 #bootstrap.local=true
 # By default bootstrap compiler is located in ./build/repo directory

libraries/commonConfiguration.gradle

@@ -70,6 +70,9 @@ ext.configureFrontendIr = { Project project ->
             if (project.kotlinBuildProperties.useFirForLibraries) {
                 freeCompilerArgs += "-Xuse-fir"
             }
+            if (project.properties.renderDiagnosticNames) {
+                freeCompilerArgs += "-Xrender-internal-diagnostic-names"
+            }
         }
     }
 }