[vm] Allow inlining of force optimized functions in AoT

Speeds up the FfiMemory benchmarks by a factor of 3 in AoT.

Issue: dart-lang/sdk#38172

Change-Id: Ic6d920e27ff905a7e08c47f4afb229d8620068ec
Cq-Include-Trybots: luci.dart.try:vm-ffi-android-debug-arm-try,vm-ffi-android-debug-arm64-try,app-kernel-linux-debug-x64-try,vm-kernel-linux-debug-ia32-try,vm-dartkb-linux-debug-simarm64-try,vm-kernel-win-debug-x64-try,vm-kernel-win-debug-ia32-try,vm-dartkb-linux-debug-x64-try,vm-kernel-precomp-linux-debug-x64-try,vm-dartkb-linux-release-x64-abi-try,vm-kernel-precomp-android-release-arm64-try,vm-kernel-asan-linux-release-x64-try,vm-kernel-linux-release-simarm-try,vm-kernel-linux-release-simarm64-try,vm-kernel-precomp-android-release-arm_x64-try,vm-kernel-reload-mac-release-simdbc64-try,vm-kernel-precomp-obfuscate-linux-release-x64-try,vm-kernel-reload-rollback-linux-debug-x64-try,vm-kernel-precomp-mac-release-simarm_x64-try,dart-sdk-linux-try,flutter-engine-linux-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/121580
Commit-Queue: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>

Author: dcharkes

runtime/vm/compiler/backend/range_analysis.cc

@@ -2773,6 +2773,7 @@ static RangeBoundary::RangeSize RepresentationToRangeSize(Representation r) {
     case kUnboxedInt32:
       return RangeBoundary::kRangeBoundaryInt32;
     case kUnboxedInt64:
+    case kUnboxedUint32:  // Overapproximate Uint32 as Int64.
       return RangeBoundary::kRangeBoundaryInt64;
     default:
       UNREACHABLE();

runtime/vm/object.cc

@@ -6709,7 +6709,7 @@ bool Function::CanBeInlined() const {
   // functions cannot deoptimize to unoptimized frames we prevent them from
   // being inlined (for now).
   if (ForceOptimize()) {
-    return false;
+    return FLAG_precompiled_mode;
   }
 #if defined(PRODUCT)
   return is_inlinable() && !is_external() && !is_generated_body();