Update spec test suite (#2484)

This updates spec test suite to that of the current up-to-date version
of https://github.com/WebAssembly/spec repo.

- All failing tests are added in `BLACKLIST` in shared.py with reasons.
 - For tests that already existed and was passing and started failing
   after the update, we add the new test to the blacklist and preserve
   the old file by renaming it to 'old_[FILENAME].wast' not to lose test
   coverage. When the cause of the error is fixed or the unsupported
   construct gets support so the new test passes, we can delete the
   corresponding 'old_[FILENAME].wast' file.
- Adds support for `spectest.print_[type] style imports.

1 files changed, 88 insertions, 0 deletions

diff --git a/test/spec/old_start.wast b/test/spec/old_start.wast
new file mode 100644
index 000000000..a20c449be
--- /dev/null
+++ b/test/spec/old_start.wast
@@ -0,0 +1,88 @@
+(assert_invalid
+  (module (func) (start 1))
+  "unknown function"
+)
+(assert_invalid
+  (module
+    (func $main (result i32) (return (i32.const 0)))
+    (start $main)
+  )
+  "start function"
+)
+(assert_invalid
+  (module
+    (func $main (param $a i32))
+    (start $main)
+  )
+  "start function"
+)
+(module
+  (memory (data "A"))
+  (func $inc
+    (i32.store8
+      (i32.const 0)
+      (i32.add
+        (i32.load8_u (i32.const 0))
+        (i32.const 1)
+      )
+    )
+  )
+  (func $get (result i32)
+    (return (i32.load8_u (i32.const 0)))
+  )
+  (func $main
+    (call $inc)
+    (call $inc)
+    (call $inc)
+  )
+
+  (start $main)
+  (export "inc" (func $inc))
+  (export "get" (func $get))
+)
+(assert_return (invoke "get") (i32.const 68))
+(invoke "inc")
+(assert_return (invoke "get") (i32.const 69))
+(invoke "inc")
+(assert_return (invoke "get") (i32.const 70))
+
+(module
+  (memory (data "A"))
+  (func $inc
+    (i32.store8
+      (i32.const 0)
+      (i32.add
+        (i32.load8_u (i32.const 0))
+        (i32.const 1)
+      )
+    )
+  )
+  (func $get (result i32)
+    (return (i32.load8_u (i32.const 0)))
+  )
+  (func $main
+    (call $inc)
+    (call $inc)
+    (call $inc)
+  )
+  (start 2)
+  (export "inc" (func $inc))
+  (export "get" (func $get))
+)
+(assert_return (invoke "get") (i32.const 68))
+(invoke "inc")
+(assert_return (invoke "get") (i32.const 69))
+(invoke "inc")
+(assert_return (invoke "get") (i32.const 70))
+
+(module
+  (func $print_i32 (import "spectest" "print") (param i32))
+  (func $main (call $print_i32 (i32.const 1)))
+  (start 1)
+)
+
+(module
+  (func $print_i32 (import "spectest" "print") (param i32))
+  (func $main (call $print_i32 (i32.const 2)))
+  (start $main)
+)