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-rw-r--r--src/emscripten-optimizer/simple_ast.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/emscripten-optimizer/simple_ast.h b/src/emscripten-optimizer/simple_ast.h
index de8122ba1..f38377e70 100644
--- a/src/emscripten-optimizer/simple_ast.h
+++ b/src/emscripten-optimizer/simple_ast.h
@@ -561,6 +561,7 @@ struct JSPrinter {
void printAst() {
print(ast);
+ ensure(1);
buffer[used] = 0;
}