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-rwxr-xr-xbuild-js.sh2
1 files changed, 1 insertions, 1 deletions
diff --git a/build-js.sh b/build-js.sh
index d4951402f..b346e14f4 100755
--- a/build-js.sh
+++ b/build-js.sh
@@ -43,7 +43,7 @@ EMCC_ARGS="$EMCC_ARGS -s DEMANGLE_SUPPORT=1"
OUT_FILE_SUFFIX=
if [ "$1" == "-g" ]; then
- EMCC_ARGS="$EMCC_ARGS -O0"
+ EMCC_ARGS="$EMCC_ARGS -O2" # need emcc js opts to be decently fast
EMCC_ARGS="$EMCC_ARGS --llvm-opts 0 --llvm-lto 0"
EMCC_ARGS="$EMCC_ARGS -profiling"
OUT_FILE_SUFFIX=-g