On Mon, 23 Feb 2026, Tomas Hajny via fpc-pascal wrote:
On 2026-02-23 16:58, Michael Van Canneyt wrote:
On Mon, 23 Feb 2026, Tomas Hajny via fpc-pascal wrote:
.
.
I tried again now, the result is the same (64-bit Firefox running on MS
Windows at the moment). It already happened with the first example loaded
by default (i.e. "Hello World"), but I got the same when trying "String
operations" demo as well. Attached you'll find export from the browser
console - feel free to ask if there's anything else I could provide. I
tried reloading the page using F5 key -> no difference.
Well, it seems related to your browser:
"uncaught exception: out of memory 7"
Do you have some safety mechanisms in place ?
Like? I use uBlock Origin extension, but it didn't block anything on that
page and I tried also reloading the page after disabling this extension. The
default browser on this machine is MS Edge and potential GPO enforced
security settings are more likely to be in place for that one - but it works
there (as I realized now). If I open the page in an anonymous window of
Firefox, it also shows the out of memory error in the browser console, but it
breaks even before getting to the point of enabling the buttons, i.e. I see
"Loading compiler..." and the buttons are disabled. I guess that there should
be some mechanism for the page to demand more memory from the browser and it
probably asks for less than what is necessary on both Firefox and Safari
(whereas it works in Chrome derived browsers apparently). Interestingly, it
works from Firefox running on a mobile phone (Android). So yes, it's likely
related to the browser, but that doesn't necessarily mean that I could or
should fix it on my side...
No, but without knowing the cause there is little I can do...
I use firefox only, and it has worked all through the development cycle.
I also use uBlock origin. I was on a linux, though I don't see how that would
matter.
The good news is: I can reproduce the issue in Safari: it fails with a 'out of
memory'
So I'll do some testing on safari. First web search is not making me
optimistic, seems safari and wasm are not a happy couple.
Michael.
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