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-rw-r--r--js/xpconnect/loader/mozJSSubScriptLoader.cpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/js/xpconnect/loader/mozJSSubScriptLoader.cpp b/js/xpconnect/loader/mozJSSubScriptLoader.cpp
index 824e9ab9e..9c8908ea4 100644
--- a/js/xpconnect/loader/mozJSSubScriptLoader.cpp
+++ b/js/xpconnect/loader/mozJSSubScriptLoader.cpp
@@ -130,7 +130,9 @@ PrepareScript(nsIURI* uri,
MutableHandleFunction function)
{
JS::CompileOptions options(cx);
- options.setFileAndLine(uriStr, 1)
+ // Use line 0 to make the function body starts from line 1 when
+ // |reuseGlobal == true|.
+ options.setFileAndLine(uriStr, reuseGlobal ? 0 : 1)
.setVersion(JSVERSION_LATEST);
if (!charset.IsVoid()) {
char16_t* scriptBuf = nullptr;