diff --git a/eng/pipelines/common/xplat-setup.yml b/eng/pipelines/common/xplat-setup.yml
index 794a23bb218b5e..0cc2d37a836798 100644
--- a/eng/pipelines/common/xplat-setup.yml
+++ b/eng/pipelines/common/xplat-setup.yml
@@ -173,12 +173,12 @@ jobs:
 
         # OSX Public Build Pool (we don't have on-prem OSX BuildPool).
         ${{ if and(in(parameters.osGroup, 'osx', 'maccatalyst', 'ios', 'iossimulator', 'tvos', 'tvossimulator'), eq(variables['System.TeamProject'], 'public')) }}:
-          vmImage: 'macos-12'
+          vmImage: 'macos-13'
 
         # OSX Internal Pool
         ${{ if and(in(parameters.osGroup, 'osx', 'maccatalyst', 'ios', 'iossimulator', 'tvos', 'tvossimulator'), ne(variables['System.TeamProject'], 'public')) }}:
           name: "Azure Pipelines"
-          vmImage: 'macOS-12'
+          vmImage: 'macOS-13'
           os: macOS
 
         # Official Build Windows Pool
diff --git a/eng/pipelines/coreclr/perf-non-wasm-jobs.yml b/eng/pipelines/coreclr/perf-non-wasm-jobs.yml
index 5e8e49304978e1..cf35d648c5b54d 100644
--- a/eng/pipelines/coreclr/perf-non-wasm-jobs.yml
+++ b/eng/pipelines/coreclr/perf-non-wasm-jobs.yml
@@ -434,7 +434,7 @@ jobs:
         nameSuffix: PerfBDNApp
         isOfficialBuild: false
         pool:
-          vmImage: 'macos-12'
+          vmImage: 'macos-13'
         postBuildSteps:
           - template: /eng/pipelines/coreclr/templates/build-perf-bdn-app.yml
             parameters:
diff --git a/src/mono/mono/component/debugger-engine.c b/src/mono/mono/component/debugger-engine.c
index 9a3648b311b824..031404a2b8a822 100644
--- a/src/mono/mono/component/debugger-engine.c
+++ b/src/mono/mono/component/debugger-engine.c
@@ -1559,7 +1559,7 @@ mono_de_set_log_level (int level, FILE *file)
 }
 
 void
-mono_de_set_using_icordbg ()
+mono_de_set_using_icordbg (void)
 {
 	using_icordbg = TRUE;
 }
diff --git a/src/mono/mono/metadata/class-internals.h b/src/mono/mono/metadata/class-internals.h
index 7a6a8ddc0080aa..4641ecec43799e 100644
--- a/src/mono/mono/metadata/class-internals.h
+++ b/src/mono/mono/metadata/class-internals.h
@@ -504,11 +504,11 @@ struct _MonoGenericContainer {
 	int type_argc    : 29; // Per the ECMA spec, this value is capped at 16 bits
 	/* If true, we're a generic method, otherwise a generic type definition. */
 	/* Invariant: parent != NULL => is_method */
-	gint is_method     : 1;
+	guint is_method     : 1;
 	/* If true, this container has no associated class/method and only the image is known. This can happen:
 	   1. For the special anonymous containers kept by MonoImage.
 	   2. When user code creates a generic parameter via SRE, but has not yet set an owner. */
-	gint is_anonymous : 1;
+	guint is_anonymous : 1;
 	/* Our type parameters. If this is a special anonymous container (case 1, above), this field is not valid, use mono_metadata_create_anon_gparam ()  */
 	MonoGenericParamFull *type_params;
 };