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src/services/findAllReferences.ts

@@ -422,6 +422,9 @@ namespace ts.FindAllReferences.Core {
         return mergeReferences(program, moduleReferences, getReferencedSymbolsForSymbol(symbol, /*node*/ undefined, sourceFiles, sourceFilesSet, checker, cancellationToken, options));
     }
 
+    /**
+     * Merges the references by sorting them (by file index in sourceFiles and their location in it) that point to same definition symbol
+     */
     function mergeReferences(program: Program, ...referencesToMerge: (SymbolAndEntries[] | undefined)[]): SymbolAndEntries[] | undefined {
         let result: SymbolAndEntries[] | undefined;
         for (const references of referencesToMerge) {

tests/cases/fourslash/findAllReferencesUmdModuleAsGlobalConst.ts

@@ -38,6 +38,7 @@
 ////    "files": ["/src/index.ts", "typings/global.d.ts"]
 ////}
 
+// GH#29533
 // TODO:: this should be var THREE: typeof import instead of module name as var but thats existing issue and repros with quickInfo too.
 verify.singleReferenceGroup(`module "/node_modules/@types/three/index"
 var "/node_modules/@types/three/index": typeof import("/node_modules/@types/three/index")`);