Bug 1903956 - Update wasi-libc build-time check for latest LLVM trunk…

…. r=firefox-build-system-reviewers,sergesanspaille

Submitted upstream at WebAssembly/wasi-libc#509.

Differential Revision: https://phabricator.services.mozilla.com/D214492

UltraBlame original commit: 50a67cadcea163f4d247d5a183b3f8b96cc6e944

taskcluster/scripts/misc/wasi-sdk.patch

@@ -555,7 +555,7 @@ imports
 10
 +
 671
-16
+17
 check
 -
 symbols
@@ -661,6 +661,21 @@ to
 clang
 19
 .
++
+#
+TODO
+:
+Filter
+out
+__STDC_EMBED_
+*
+that
+are
+new
+to
+clang
+19
+.
 #
 TODO
 :
@@ -804,8 +819,8 @@ U__GNUC_PATCHLEVEL__
 702
 6
 +
-710
-10
+711
+11
 check
 -
 symbols
@@ -962,6 +977,18 @@ DE
 STRUCTIVE_SIZE
 '
 \
++
+|
+grep
+-
+v
+'
+^
+#
+define
+__STDC_EMBED_
+'
+\
 >
 "
 (