Update testsuite submodule (#2549)

This PR vendors the old "memory64" tests into "test/old-spec" and runs
them from there, then updates the testsuite submodule. We skip the new
"wasm-3.0" tests (which rely on function-references and gc).

Author: keithw

test/old-spec/proposals/memory64/address.wast

@@ -0,0 +1,67 @@
+;; Unsigned LEB128 can have non-minimal length
+(module binary
+  "\00asm" "\01\00\00\00"
+  "\05\07\02"                          ;; Memory section with 2 entries
+  "\00\82\00"                          ;; no max, minimum 2
+  "\00\82\00"                          ;; no max, minimum 2
+)
+(module binary
+  "\00asm" "\01\00\00\00"
+  "\05\13\03"                          ;; Memory section with 3 entries
+  "\00\83\80\80\80\00"                 ;; no max, minimum 3
+  "\00\84\80\80\80\00"                 ;; no max, minimum 4
+  "\00\85\80\80\80\00"                 ;; no max, minimum 5
+)
+
+(module binary
+  "\00asm" "\01\00\00\00"
+  "\05\05\02"                          ;; Memory section with 2 entries
+  "\00\00"                             ;; no max, minimum 0
+  "\00\00"                             ;; no max, minimum 0
+  "\0b\06\01"                          ;; Data section with 1 entry
+  "\00"                                ;; Memory index 0
+  "\41\00\0b\00"                       ;; (i32.const 0) with contents ""
+)
+
+(module binary
+  "\00asm" "\01\00\00\00"
+  "\05\05\02"                          ;; Memory section with 2 entries
+  "\00\00"                             ;; no max, minimum 0
+  "\00\01"                             ;; no max, minimum 1
+  "\0b\07\01"                          ;; Data section with 1 entry
+  "\02\01"                             ;; Memory index 1
+  "\41\00\0b\00"                       ;; (i32.const 0) with contents ""
+)
+
+(module binary
+  "\00asm" "\01\00\00\00"
+  "\05\05\02"                          ;; Memory section with 2 entries
+  "\00\00"                             ;; no max, minimum 0
+  "\00\01"                             ;; no max, minimum 1
+  "\0b\0a\01"                          ;; Data section with 1 entry
+  "\02\81\80\80\00"                    ;; Memory index 1
+  "\41\00\0b\00"                       ;; (i32.const 0) with contents ""
+)
+
+;; Unsigned LEB128 must not be overlong
+(assert_malformed
+  (module binary
+    "\00asm" "\01\00\00\00"
+    "\05\10\02"                          ;; Memory section with 2 entries
+    "\00\01"                             ;; no max, minimum 1
+    "\00\82\80\80\80\80\80\80\80\80\80\80\00"  ;; no max, minimum 2 with one byte too many
+  )
+  "integer representation too long"
+)
+
+;; 2 memories declared, 1 given
+(assert_malformed
+  (module binary
+      "\00asm" "\01\00\00\00"
+      "\05\03\02"                           ;; memory section with inconsistent count (1 declared, 0 given)
+      "\00\00"                              ;; memory 0 (missed)
+      ;; "\00\00"                           ;; memory 1 (missing)
+  )
+  "unexpected end of section or function"
+)
+