diff --git a/lib/tsc.js b/lib/tsc.js
index 76115b46b13..179708a761c 100644
--- a/lib/tsc.js
+++ b/lib/tsc.js
@@ -21050,6 +21050,8 @@ var ts;
         function mergeSymbol(target, source) {
             if (!(target.flags & getExcludedSymbolFlags(source.flags)) ||
                 (source.flags | target.flags) & 67108864) {
+                var targetValueDeclaration = target.valueDeclaration;
+                ts.Debug.assert(!!(target.flags & 33554432));
                 if (source.flags & 512 && target.flags & 512 && target.constEnumOnlyModule && !source.constEnumOnlyModule) {
                     target.constEnumOnlyModule = false;
                 }
@@ -21072,12 +21074,13 @@ var ts;
                 }
                 if ((source.flags | target.flags) & 67108864) {
                     var sourceInitializer = ts.getJSInitializerSymbol(source);
-                    var targetInitializer = ts.getJSInitializerSymbol(target);
+                    var init = ts.getDeclaredJavascriptInitializer(targetValueDeclaration) || ts.getAssignedJavascriptInitializer(targetValueDeclaration);
+                    var targetInitializer = init && init.symbol ? init.symbol : target;
+                    if (!(targetInitializer.flags & 33554432)) {
+                        var mergedInitializer = getMergedSymbol(targetInitializer);
+                        targetInitializer = mergedInitializer === targetInitializer ? cloneSymbol(targetInitializer) : mergedInitializer;
+                    }
                     if (sourceInitializer !== source || targetInitializer !== target) {
-                        if (!(targetInitializer.flags & 33554432)) {
-                            var mergedInitializer = getMergedSymbol(targetInitializer);
-                            targetInitializer = mergedInitializer === targetInitializer ? cloneSymbol(targetInitializer) : mergedInitializer;
-                        }
                         mergeSymbol(targetInitializer, sourceInitializer);
                     }
                 }
diff --git a/lib/tsserver.js b/lib/tsserver.js
index 2e701cd4a76..421e5157eaf 100644
--- a/lib/tsserver.js
+++ b/lib/tsserver.js
@@ -22486,6 +22486,8 @@ var ts;
         function mergeSymbol(target, source) {
             if (!(target.flags & getExcludedSymbolFlags(source.flags)) ||
                 (source.flags | target.flags) & 67108864) {
+                var targetValueDeclaration = target.valueDeclaration;
+                ts.Debug.assert(!!(target.flags & 33554432));
                 if (source.flags & 512 && target.flags & 512 && target.constEnumOnlyModule && !source.constEnumOnlyModule) {
                     target.constEnumOnlyModule = false;
                 }
@@ -22508,12 +22510,13 @@ var ts;
                 }
                 if ((source.flags | target.flags) & 67108864) {
                     var sourceInitializer = ts.getJSInitializerSymbol(source);
-                    var targetInitializer = ts.getJSInitializerSymbol(target);
+                    var init = ts.getDeclaredJavascriptInitializer(targetValueDeclaration) || ts.getAssignedJavascriptInitializer(targetValueDeclaration);
+                    var targetInitializer = init && init.symbol ? init.symbol : target;
+                    if (!(targetInitializer.flags & 33554432)) {
+                        var mergedInitializer = getMergedSymbol(targetInitializer);
+                        targetInitializer = mergedInitializer === targetInitializer ? cloneSymbol(targetInitializer) : mergedInitializer;
+                    }
                     if (sourceInitializer !== source || targetInitializer !== target) {
-                        if (!(targetInitializer.flags & 33554432)) {
-                            var mergedInitializer = getMergedSymbol(targetInitializer);
-                            targetInitializer = mergedInitializer === targetInitializer ? cloneSymbol(targetInitializer) : mergedInitializer;
-                        }
                         mergeSymbol(targetInitializer, sourceInitializer);
                     }
                 }
diff --git a/lib/tsserverlibrary.js b/lib/tsserverlibrary.js
index cf71f6fc8cb..3447beeeeab 100644
--- a/lib/tsserverlibrary.js
+++ b/lib/tsserverlibrary.js
@@ -28241,6 +28241,8 @@ var ts;
         function mergeSymbol(target, source) {
             if (!(target.flags & getExcludedSymbolFlags(source.flags)) ||
                 (source.flags | target.flags) & 67108864 /* JSContainer */) {
+                var targetValueDeclaration = target.valueDeclaration;
+                ts.Debug.assert(!!(target.flags & 33554432 /* Transient */));
                 // Javascript static-property-assignment declarations always merge, even though they are also values
                 if (source.flags & 512 /* ValueModule */ && target.flags & 512 /* ValueModule */ && target.constEnumOnlyModule && !source.constEnumOnlyModule) {
                     // reset flag when merging instantiated module into value module that has only const enums
@@ -28266,12 +28268,13 @@ var ts;
                 }
                 if ((source.flags | target.flags) & 67108864 /* JSContainer */) {
                     var sourceInitializer = ts.getJSInitializerSymbol(source);
-                    var targetInitializer = ts.getJSInitializerSymbol(target);
+                    var init = ts.getDeclaredJavascriptInitializer(targetValueDeclaration) || ts.getAssignedJavascriptInitializer(targetValueDeclaration);
+                    var targetInitializer = init && init.symbol ? init.symbol : target;
+                    if (!(targetInitializer.flags & 33554432 /* Transient */)) {
+                        var mergedInitializer = getMergedSymbol(targetInitializer);
+                        targetInitializer = mergedInitializer === targetInitializer ? cloneSymbol(targetInitializer) : mergedInitializer;
+                    }
                     if (sourceInitializer !== source || targetInitializer !== target) {
-                        if (!(targetInitializer.flags & 33554432 /* Transient */)) {
-                            var mergedInitializer = getMergedSymbol(targetInitializer);
-                            targetInitializer = mergedInitializer === targetInitializer ? cloneSymbol(targetInitializer) : mergedInitializer;
-                        }
                         mergeSymbol(targetInitializer, sourceInitializer);
                     }
                 }
diff --git a/lib/typescript.js b/lib/typescript.js
index c41bc09eb30..a3b39cb824b 100644
--- a/lib/typescript.js
+++ b/lib/typescript.js
@@ -26204,6 +26204,8 @@ var ts;
         function mergeSymbol(target, source) {
             if (!(target.flags & getExcludedSymbolFlags(source.flags)) ||
                 (source.flags | target.flags) & 67108864 /* JSContainer */) {
+                var targetValueDeclaration = target.valueDeclaration;
+                ts.Debug.assert(!!(target.flags & 33554432 /* Transient */));
                 // Javascript static-property-assignment declarations always merge, even though they are also values
                 if (source.flags & 512 /* ValueModule */ && target.flags & 512 /* ValueModule */ && target.constEnumOnlyModule && !source.constEnumOnlyModule) {
                     // reset flag when merging instantiated module into value module that has only const enums
@@ -26229,12 +26231,13 @@ var ts;
                 }
                 if ((source.flags | target.flags) & 67108864 /* JSContainer */) {
                     var sourceInitializer = ts.getJSInitializerSymbol(source);
-                    var targetInitializer = ts.getJSInitializerSymbol(target);
+                    var init = ts.getDeclaredJavascriptInitializer(targetValueDeclaration) || ts.getAssignedJavascriptInitializer(targetValueDeclaration);
+                    var targetInitializer = init && init.symbol ? init.symbol : target;
+                    if (!(targetInitializer.flags & 33554432 /* Transient */)) {
+                        var mergedInitializer = getMergedSymbol(targetInitializer);
+                        targetInitializer = mergedInitializer === targetInitializer ? cloneSymbol(targetInitializer) : mergedInitializer;
+                    }
                     if (sourceInitializer !== source || targetInitializer !== target) {
-                        if (!(targetInitializer.flags & 33554432 /* Transient */)) {
-                            var mergedInitializer = getMergedSymbol(targetInitializer);
-                            targetInitializer = mergedInitializer === targetInitializer ? cloneSymbol(targetInitializer) : mergedInitializer;
-                        }
                         mergeSymbol(targetInitializer, sourceInitializer);
                     }
                 }
diff --git a/lib/typescriptServices.js b/lib/typescriptServices.js
index c41bc09eb30..a3b39cb824b 100644
--- a/lib/typescriptServices.js
+++ b/lib/typescriptServices.js
@@ -26204,6 +26204,8 @@ var ts;
         function mergeSymbol(target, source) {
             if (!(target.flags & getExcludedSymbolFlags(source.flags)) ||
                 (source.flags | target.flags) & 67108864 /* JSContainer */) {
+                var targetValueDeclaration = target.valueDeclaration;
+                ts.Debug.assert(!!(target.flags & 33554432 /* Transient */));
                 // Javascript static-property-assignment declarations always merge, even though they are also values
                 if (source.flags & 512 /* ValueModule */ && target.flags & 512 /* ValueModule */ && target.constEnumOnlyModule && !source.constEnumOnlyModule) {
                     // reset flag when merging instantiated module into value module that has only const enums
@@ -26229,12 +26231,13 @@ var ts;
                 }
                 if ((source.flags | target.flags) & 67108864 /* JSContainer */) {
                     var sourceInitializer = ts.getJSInitializerSymbol(source);
-                    var targetInitializer = ts.getJSInitializerSymbol(target);
+                    var init = ts.getDeclaredJavascriptInitializer(targetValueDeclaration) || ts.getAssignedJavascriptInitializer(targetValueDeclaration);
+                    var targetInitializer = init && init.symbol ? init.symbol : target;
+                    if (!(targetInitializer.flags & 33554432 /* Transient */)) {
+                        var mergedInitializer = getMergedSymbol(targetInitializer);
+                        targetInitializer = mergedInitializer === targetInitializer ? cloneSymbol(targetInitializer) : mergedInitializer;
+                    }
                     if (sourceInitializer !== source || targetInitializer !== target) {
-                        if (!(targetInitializer.flags & 33554432 /* Transient */)) {
-                            var mergedInitializer = getMergedSymbol(targetInitializer);
-                            targetInitializer = mergedInitializer === targetInitializer ? cloneSymbol(targetInitializer) : mergedInitializer;
-                        }
                         mergeSymbol(targetInitializer, sourceInitializer);
                     }
                 }