lto_bug

Cargo.toml

@@ -45,3 +45,9 @@ log = { version = "0.4", optional = true, default-features = false }
 [workspace]
 exclude = ["test"]
 resolver = "2"
+
+[profile.release]
+overflow-checks = true
+opt-level = 's'
+lto = true
+codegen-units = 1

examples/lto_bug.rs

@@ -0,0 +1,26 @@
+#![no_std]
+#![no_main]
+
+use ckb_std::ckb_types::prelude::Entity;
+use ckb_std::default_alloc;
+
+ckb_std::entry!(program_entry);
+default_alloc!();
+
+/// program entry
+fn program_entry() -> i8 {
+    let data = [
+        0x55, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x31, 0x00, 0x00,
+        0x00, 0xbc, 0x12, 0x7d, 0x21, 0xe2, 0x8a, 0x30, 0x7b, 0x44, 0xfe, 0xff, 0xaa, 0xc9, 0x2b,
+        0x5f, 0xb1, 0x70, 0xc5, 0x5c, 0x72, 0xca, 0xfb, 0xc0, 0xf0, 0x66, 0x90, 0xee, 0x45, 0x5f,
+        0xf4, 0xe8, 0x61, 0x01, 0x20, 0x00, 0x00, 0x00, 0x9a, 0x01, 0xcc, 0x4d, 0x15, 0xa2, 0x16,
+        0x03, 0x69, 0x02, 0xa2, 0xf8, 0x90, 0x77, 0x16, 0xa6, 0xab, 0x3f, 0x7f, 0x35, 0xec, 0xcf,
+        0x0e, 0x3b, 0x09, 0x29, 0xcc, 0xdc, 0x8e, 0xb0, 0x31, 0xc7,
+    ];
+
+    let args = ckb_std::ckb_types::packed::Script::from_slice(&data)
+        .unwrap()
+        .args();
+    ckb_std::debug!("args: {:x}", args);
+    0
+}

lto_bug.sh

@@ -0,0 +1,2 @@
+RUSTFLAGS="-C target-feature=-a --cfg debug_assertions" cargo build --release --target riscv64imac-unknown-none-elf --features build-with-clang --example lto_bug
+ckb-debugger --bin target/riscv64imac-unknown-none-elf/release/examples/lto_bug