From 8893546f2741031a04ac3d61e57f4225c916861d Mon Sep 17 00:00:00 2001
From: Master-Hash <hash@hash.moe>
Date: Thu, 23 Apr 2026 19:16:50 +0800
Subject: [PATCH 1/5] unwind

---
 .github/workflows/main.yml | 4 ++--
 Cargo.toml                 | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 05c0d67..897b7dd 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -19,7 +19,7 @@ jobs:
       contents: read
       pull-requests: write
     env:
-      RUSTFLAGS: -Dwarnings -Ctarget-feature=+simd128,+bulk-memory,+mutable-globals
+      RUSTFLAGS: -Dwarnings -Cpanic=unwind -Ctarget-feature=+simd128,+bulk-memory,+mutable-globals
     steps:
       - uses: actions/checkout@v6
 
@@ -69,7 +69,7 @@ jobs:
         run: pnpm install
 
       - run: |
-          cargo +nightly build --release --target wasm32-unknown-unknown --no-default-features -F png -Z build-std=panic_abort,std
+          cargo +nightly build --release --target wasm32-unknown-unknown --no-default-features -F png -Z build-std=panic_unwind,std
           wasm-bindgen ./target/wasm32-unknown-unknown/release/bitmap_to_png.wasm --out-dir ./pkg --typescript --target web
           wasm-opt ./pkg/bitmap_to_png_bg.wasm -o ./pkg/bitmap_to_png_bg.wasm -Oz --dce --enable-simd --enable-bulk-memory --enable-nontrapping-float-to-int --enable-mutable-globals
       - run: pnpm run build
diff --git a/Cargo.toml b/Cargo.toml
index 3cb7baa..c0acd29 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -29,7 +29,7 @@ default = ["png"]
 [profile.release]
 opt-level = 3
 debug = false
-strip = true
+# strip = true
 lto = true
-panic = "abort"
+panic = "unwind"
 codegen-units = 1

From 55d66c7e9e7a8629bb7ea6eb7997bd7adbffefc9 Mon Sep 17 00:00:00 2001
From: Master-Hash <hash@hash.moe>
Date: Thu, 23 Apr 2026 19:19:02 +0800
Subject: [PATCH 2/5] test panic

---
 src/lib.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/lib.rs b/src/lib.rs
index 0b3f308..86fdea1 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -136,6 +136,7 @@ pub fn bitmap_to_png(rgba_data: &[u8], width: u32, height: u32) -> Result<Vec<u8
         let mut encoder = Encoder::new(&mut cursor, width, height);
         encoder.set_color(png::ColorType::Rgba);
         encoder.set_depth(png::BitDepth::Eight);
+        panic!("Just Testing");
         encoder.set_compression(png::Compression::Balanced);
         let mut writer = encoder
             .write_header()

From 27c829b43c3dc0b37eba9c590f10713f37544fd3 Mon Sep 17 00:00:00 2001
From: Master-Hash <hash@hash.moe>
Date: Thu, 23 Apr 2026 19:27:53 +0800
Subject: [PATCH 3/5] bump wasm-opt

---
 .github/workflows/main.yml | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 897b7dd..6317156 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -35,10 +35,10 @@ jobs:
 
       - uses: supplypike/setup-bin@v5
         with:
-          uri: "https://github.com/WebAssembly/binaryen/releases/download/version_126/binaryen-version_126-aarch64-linux.tar.gz"
+          uri: "https://github.com/WebAssembly/binaryen/releases/download/version_129/binaryen-version_129-aarch64-linux.tar.gz"
           name: "wasm-opt"
-          version: "126"
-          subPath: "binaryen-version_126/bin"
+          version: "129"
+          subPath: "binaryen-version_129/bin"
 
       - uses: taiki-e/install-action@v2
         with:
@@ -71,7 +71,7 @@ jobs:
       - run: |
           cargo +nightly build --release --target wasm32-unknown-unknown --no-default-features -F png -Z build-std=panic_unwind,std
           wasm-bindgen ./target/wasm32-unknown-unknown/release/bitmap_to_png.wasm --out-dir ./pkg --typescript --target web
-          wasm-opt ./pkg/bitmap_to_png_bg.wasm -o ./pkg/bitmap_to_png_bg.wasm -Oz --dce --enable-simd --enable-bulk-memory --enable-nontrapping-float-to-int --enable-mutable-globals
+          wasm-opt ./pkg/bitmap_to_png_bg.wasm -o ./pkg/bitmap_to_png_bg.wasm -Oz --dce --enable-simd --enable-bulk-memory --enable-nontrapping-float-to-int --enable-mutable-globals --emit-exnref --translate-to-exnref
       - run: pnpm run build
       - uses: actions/upload-artifact@v7
         with:

From ca4e360ec18009cb9a2b8538278380dd1e6adb6d Mon Sep 17 00:00:00 2001
From: Master-Hash <hash@hash.moe>
Date: Thu, 23 Apr 2026 19:30:43 +0800
Subject: [PATCH 4/5] test

---
 src/lib.rs | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/lib.rs b/src/lib.rs
index 86fdea1..22833dd 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -136,7 +136,6 @@ pub fn bitmap_to_png(rgba_data: &[u8], width: u32, height: u32) -> Result<Vec<u8
         let mut encoder = Encoder::new(&mut cursor, width, height);
         encoder.set_color(png::ColorType::Rgba);
         encoder.set_depth(png::BitDepth::Eight);
-        panic!("Just Testing");
         encoder.set_compression(png::Compression::Balanced);
         let mut writer = encoder
             .write_header()
@@ -147,3 +146,11 @@ pub fn bitmap_to_png(rgba_data: &[u8], width: u32, height: u32) -> Result<Vec<u8
     }
     Ok(png_data)
 }
+
+#[wasm_bindgen]
+pub fn divide(a: i32, b: i32) -> i32 {
+    if b == 0 {
+        panic!("division by zero");
+    }
+    a / b
+}

From f0a1267c9cddeeb4a7a0ddcbaed4b56bf3849324 Mon Sep 17 00:00:00 2001
From: Hash <hash@hash.moe>
Date: Thu, 23 Apr 2026 21:36:25 +0800
Subject: [PATCH 5/5] Update main.yml

---
 .github/workflows/main.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 6317156..31b190c 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -19,7 +19,7 @@ jobs:
       contents: read
       pull-requests: write
     env:
-      RUSTFLAGS: -Dwarnings -Cpanic=unwind -Ctarget-feature=+simd128,+bulk-memory,+mutable-globals
+      RUSTFLAGS: -Dwarnings -Cpanic=unwind -Cllvm-args=-wasm-use-legacy-eh=false -Ctarget-feature=+simd128,+bulk-memory,+mutable-globals
     steps:
       - uses: actions/checkout@v6