Add GC test for errors

1 files changed, 6 insertions, 2 deletions

diff --git a/src/bun.js/bindings/ZigGlobalObject.cpp b/src/bun.js/bindings/ZigGlobalObject.cpp
index 9ff3ebf93..7ba0f0b30 100644
--- a/src/bun.js/bindings/ZigGlobalObject.cpp
+++ b/src/bun.js/bindings/ZigGlobalObject.cpp
@@ -390,7 +390,11 @@ static String computeErrorInfoWithoutPrepareStackTrace(JSC::VM& vm, Vector<Stack
             frame.computeLineAndColumn(thisLine, thisColumn);
             remappedFrames[i].position.line = thisLine;
             remappedFrames[i].position.column_start = thisColumn;
-            remappedFrames[i].source_url = Bun::toString(frame.sourceURL(vm));
+            String sourceURLForFrame = frame.sourceURL(vm);
+
+            if (!sourceURLForFrame.isEmpty()) {
+                remappedFrames[i].source_url = Bun::toString(sourceURLForFrame);
+            }
 
             // This ensures the lifetime of the sourceURL is accounted for correctly
             Bun__remapStackFramePositions(globalObject, remappedFrames + i, 1);
@@ -409,7 +413,7 @@ static String computeErrorInfoWithoutPrepareStackTrace(JSC::VM& vm, Vector<Stack
                 }
             }
 
-            sb.append(frame.sourceURL(vm));
+            sb.append(sourceURLForFrame);
             sb.append(":"_s);
             sb.append(remappedFrames[i].position.line);
             sb.append(":"_s);