[wasm][IWYU] Remove unused heavy includes

The function-body-decoder-impl.h header is really heavy, and a comment
at its beginning says that it should only be included for new
implementations of WasmFullDecoder.
While there are other nice reasons to include it (e.g. for the Immediate
types), many includes were not needed.

This CL removes them, and adds other needed includes as needed instead.

R=jkummerow@chromium.org

Bug: v8:13312
Change-Id: I84efab0814fc1a38643960f49c7641c824b75f71
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3933055
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/main@{#83561}

src/compiler/wasm-compiler.cc

@@ -42,7 +42,6 @@
 #include "src/tracing/trace-event.h"
 #include "src/trap-handler/trap-handler.h"
 #include "src/wasm/code-space-access.h"
-#include "src/wasm/function-body-decoder-impl.h"
 #include "src/wasm/function-compiler.h"
 #include "src/wasm/graph-builder-interface.h"
 #include "src/wasm/jump-table-assembler.h"
@@ -56,6 +55,7 @@
 #include "src/wasm/wasm-module.h"
 #include "src/wasm/wasm-objects-inl.h"
 #include "src/wasm/wasm-opcodes-inl.h"
+#include "src/wasm/wasm-subtyping.h"
 
 namespace v8 {
 namespace internal {

src/wasm/baseline/liftoff-assembler.cc

@@ -14,7 +14,6 @@
 #include "src/compiler/wasm-compiler.h"
 #include "src/utils/ostreams.h"
 #include "src/wasm/baseline/liftoff-register.h"
-#include "src/wasm/function-body-decoder-impl.h"
 #include "src/wasm/object-access.h"
 #include "src/wasm/wasm-linkage.h"
 #include "src/wasm/wasm-opcodes.h"

src/wasm/constant-expression-interface.cc

@@ -9,7 +9,6 @@
 #include "src/objects/fixed-array-inl.h"
 #include "src/objects/oddball.h"
 #include "src/wasm/decoder.h"
-#include "src/wasm/function-body-decoder-impl.h"
 #include "src/wasm/wasm-objects.h"
 
 namespace v8 {

test/common/wasm/wasm-interpreter.cc

@@ -20,7 +20,6 @@
 #include "src/utils/utils.h"
 #include "src/wasm/decoder.h"
 #include "src/wasm/function-body-decoder-impl.h"
-#include "src/wasm/function-body-decoder.h"
 #include "src/wasm/memory-tracing.h"
 #include "src/wasm/module-compiler.h"
 #include "src/wasm/wasm-arguments.h"

test/unittests/wasm/function-body-decoder-unittest.cc

@@ -12,6 +12,7 @@
 #include "src/wasm/wasm-limits.h"
 #include "src/wasm/wasm-module.h"
 #include "src/wasm/wasm-opcodes-inl.h"
+#include "src/wasm/wasm-subtyping.h"
 #include "src/zone/zone.h"
 #include "test/common/wasm/flag-utils.h"
 #include "test/common/wasm/test-signatures.h"

tools/wasm/module-inspector.cc

@@ -9,7 +9,6 @@
 
 #include "include/libplatform/libplatform.h"
 #include "include/v8-initialization.h"
-#include "src/wasm/function-body-decoder-impl.h"
 #include "src/wasm/module-decoder-impl.h"
 #include "src/wasm/names-provider.h"
 #include "src/wasm/string-builder-multiline.h"