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-rw-r--r--js/src/frontend/BytecodeCompiler.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/js/src/frontend/BytecodeCompiler.cpp b/js/src/frontend/BytecodeCompiler.cpp
index 6dc837eb3b..2c01b5a9f2 100644
--- a/js/src/frontend/BytecodeCompiler.cpp
+++ b/js/src/frontend/BytecodeCompiler.cpp
@@ -405,6 +405,9 @@ BytecodeCompiler::compileModule()
module->init(script);
ModuleBuilder builder(cx, module, parser->tokenStream);
+ if (!builder.init())
+ return nullptr;
+
ModuleSharedContext modulesc(cx, module, enclosingScope, builder);
ParseNode* pn = parser->moduleBody(&modulesc);
if (!pn)