Rust 1.90 causes Wasm crash by out of memory #147465
Description
After updating to Rust 1.90.0, Wasm becomes to be crashed by out of memory.
The reproduce senquence is below:
$ cargo install wasm-pack
$ cargo install miniserve
$ git clone https://github.com/veryl-lang/doc doc_1.89.0
$ cd doc_1.89.0/playground
$ rustup override set 1.89.0
$ wasm-pack build --target web -d html/pkg --no-typescript
$ miniserve html --index index.html -p 8080
access to http://127.0.0.1:8080
$ git clone https://github.com/veryl-lang/doc doc_1.90.0
$ cd doc_1.90.0/playground
$ rustup override set 1.90.0
$ wasm-pack build --target web -d html/pkg --no-typescript
$ miniserve html --index index.html -p 8081
access to http://127.0.0.1:8081
http://127.0.0.1:8080 using Rust 1.89.0 works fine when Build and Format buttons are pushed.
However, http://127.0.0.1:8081 using Rust 1.90.0 is crashed after a short time of pressing the button like below.
My UI is Japanese, they are written like below:
There is not enough memory to open this page.
Try closing other tabs or programs to free up memory.
Error Code: Out of Memory
Meta
rustc --version --verbose:
rustc 1.90.0 (1159e78c4 2025-09-14)
binary: rustc
commit-hash: 1159e78c4747b02ef996e55082b704c09b970588
commit-date: 2025-09-14
host: x86_64-unknown-linux-gnu
release: 1.90.0
LLVM version: 20.1.8