[wasm] Switch back to boolean enums

This reverts https://crrev.com/c/3778717, and also switches "Promise"
to a boolean enum.
The underlying clang crash is fixed, see linked issue.

R=thibaudm@chromium.org

Bug: chromium:1344641
Change-Id: I7fac50eb4f1155aca1c101f01892df78cdde46e2
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3823128Reviewed-by: Thibaud Michaud <thibaudm@chromium.org>
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/main@{#82348}

src/compiler/wasm-compiler.h

@@ -54,7 +54,7 @@ class WasmCode;
 class WasmFeatures;
 class WireBytesStorage;
 enum class LoadTransformationKind : uint8_t;
-enum Suspend : uint8_t;
+enum Suspend : bool;
 }  // namespace wasm
 
 namespace compiler {

src/heap/factory.h

@@ -83,8 +83,8 @@ class StructType;
 struct WasmElemSegment;
 class WasmValue;
 enum class OnResume : int;
-enum Suspend : uint8_t;
-enum Promise : uint8_t;
+enum Suspend : bool;
+enum Promise : bool;
 }  // namespace wasm
 #endif
 

src/wasm/wasm-objects.h

@@ -76,11 +76,8 @@ class V8_EXPORT_PRIVATE FunctionTargetAndRef {
 };
 
 namespace wasm {
-// TODO(thibaudm): Use a bool instead when this is resolved:
-// https://github.com/llvm/llvm-project/issues/56560. See also
-// crbug.com/1344641.
-enum Suspend : uint8_t { kSuspend = 1, kNoSuspend = 0 };
-enum Promise : uint8_t { kPromise = 1, kNoPromise = 0 };
+enum Suspend : bool { kSuspend = true, kNoSuspend = false };
+enum Promise : bool { kPromise = true, kNoPromise = false };
 enum class OnResume : int { kContinue, kThrow };
 }  // namespace wasm