[Webkit-unassigned] [Bug 201028] [WebAssembly] iOS 13 RangeError: Maximum call stack size exceeded.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=201028

--- Comment #9 from Joseph Fradley <joe.fradley at gmail.com> ---
The differences in stack depth could possibly be because of differences in compilation options. I'm using all defaults for my wasm test apps `emcc hello_world.cpp -o hello.html`. Maybe compiling with more optimizations increases it.

As a final test I updated the one iPad to iOS 13.2 from 12.3.1 and confirmed the Max Call Stack depth dropped to 900+ from 11,000+. Here's an updated table:


Max Call Stack Depth | Max Stack Size | OS          | Browser | Device
11,000+              | 5242848        |iOS 12.3.1   | Safari  | iPad Pro 10.5”
**900+               | 5242848        |iOS 13.2     | Safari  | iPad Pro 10.5”
900+                 | 5242848        |iOS 13.2     | Safari  | iPad Pro 12.9”
900+                 | 5242848        |iOS 13.2     | Chrome  | iPad Pro 12.9”
17,800+              | 5242848        |macOS 10.15.1| Chrome  | MacBook 
16,700+              | 5242848        |macOS 10.15.1| Safari  | MacBook

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