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Print panic message to debug buffer #894

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Aug 16, 2021
Merged

Print panic message to debug buffer #894

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6 changes: 5 additions & 1 deletion crates/env/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -44,8 +44,12 @@
)]

#[cfg(all(not(feature = "std"), target_arch = "wasm32"))]
#[allow(unused_variables)]
#[panic_handler]
fn panic(_info: &core::panic::PanicInfo) -> ! {
fn panic(info: &core::panic::PanicInfo) -> ! {
// This code gets removed in release builds where the macro will expand into nothing.
debug_print!("{}\n", info);

// SAFETY: We only use this operation if we are guaranteed to be in Wasm32 compilation.
// This is used in order to make any panic a direct abort avoiding Rust's general
// panic infrastructure.
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