s2wasm: only create output file when successful

Previously the file was created but was empty when s2wasm failed. This caused sexpr-wasm to be sad because it tried to use an empty file.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/s2wasm-main.cpp b/src/s2wasm-main.cpp
index 278fec693..277cee365 100644
--- a/src/s2wasm-main.cpp
+++ b/src/s2wasm-main.cpp
@@ -46,7 +46,6 @@ int main(int argc, const char *argv[]) {
   options.parse(argc, argv);
 
   std::string input(read_file(options.extra["infile"], options.debug));
-  Output output(options.extra["output"], options.debug);
 
   if (options.debug) std::cerr << "Parsing and wasming..." << std::endl;
   AllocatingModule wasm;
@@ -61,6 +60,7 @@ int main(int argc, const char *argv[]) {
   s2wasm.emscriptenGlue(meta);
 
   if (options.debug) std::cerr << "Printing..." << std::endl;
+  Output output(options.extra["output"], options.debug);
   output << wasm << meta.str() << std::endl;
 
   if (options.debug) std::cerr << "Done." << std::endl;