[Docs] Fix typos in the flag wasm-exceptions (#24238)

It was spelled without the final 's' sometimes.

Author: eliot-akira

ChangeLog.md

@@ -878,7 +878,7 @@ See docs/process.md for more on how version tagging works.
   `ASSERTIONS` is enabled. This option is mainly for the users who want only
   exceptions' stack traces without turning `ASSERTIONS` on. (#18642 and #18535)
 - `SUPPORT_LONGJMP`'s default value now depends on the exception mode. If Wasm
-  EH (`-fwasm-exception`) is used, it defaults to `wasm`, and if Emscripten EH
+  EH (`-fwasm-exceptions`) is used, it defaults to `wasm`, and if Emscripten EH
   (`-sDISABLE_EXCEPTION_CATCHING=0`) is used or no exception support is used, it
   defaults to `emscripten`. Previously it always defaulted to `emscripten`, so
   when a user specified `-fwasm-exceptions`, it resulted in Wasm EH + Emscripten

site/source/docs/porting/setjmp-longjmp.rst

@@ -10,7 +10,7 @@ by the ``SUPPORT_LONGJMP`` setting, which can take these values:
 * ``emscripten``: JavaScript-based support
 * ``wasm``: WebAssembly exception handling-based support
 * 0: No support
-* 1: Default support, depending on the exception mode. ``wasm`` if ``-fwasm-exception`` is used, ``emscripten`` otherwise.
+* 1: Default support, depending on the exception mode. ``wasm`` if ``-fwasm-exceptions`` is used, ``emscripten`` otherwise.
 
 If :ref:`native Wasm exceptions <webassembly-exception-handling-based-support>`
 are used, ``SUPPORT_LONGJMP`` defaults to ``wasm``, and if :ref:`JavaScript-based

site/source/docs/tools_reference/settings_reference.rst

@@ -2998,7 +2998,7 @@ little bit of code size and performance when catching exceptions.
 
 - 0: No setjmp/longjmp handling
 - 1: Default setjmp/longjmp/handling, depending on the mode of exceptions.
-  'wasm' if '-fwasm-exception' is used, 'emscripten' otherwise.
+  'wasm' if '-fwasm-exceptions' is used, 'emscripten' otherwise.
 
 [compile+link] - at compile time this enables the transformations needed for
 longjmp support at codegen time, while at link it allows linking in the

src/settings.js

@@ -1969,7 +1969,7 @@ var MINIMAL_RUNTIME_STREAMING_WASM_INSTANTIATION = false;
 //
 // - 0: No setjmp/longjmp handling
 // - 1: Default setjmp/longjmp/handling, depending on the mode of exceptions.
-//   'wasm' if '-fwasm-exception' is used, 'emscripten' otherwise.
+//   'wasm' if '-fwasm-exceptions' is used, 'emscripten' otherwise.
 //
 // [compile+link] - at compile time this enables the transformations needed for
 // longjmp support at codegen time, while at link it allows linking in the