From fd7d51e440fe6e8bbae91f5197e6d6a477abf063 Mon Sep 17 00:00:00 2001
From: effulgentsia <477547+effulgentsia@users.noreply.github.com>
Date: Tue, 17 Mar 2026 00:29:41 -0700
Subject: [PATCH 1/2] Add SetGCSupport method to Config

---
 config.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/config.go b/config.go
index 8e93558..0745fc7 100644
--- a/config.go
+++ b/config.go
@@ -143,6 +143,12 @@ func (cfg *Config) SetWasmGC(enabled bool) {
 	runtime.KeepAlive(cfg)
 }
 
+// SetGCSupport enables or disables GC support in Wasmtime entirely.
+func (cfg *Config) SetGCSupport(enabled bool) {
+	C.wasmtime_config_gc_support_set(cfg.ptr(), C.bool(enabled))
+	runtime.KeepAlive(cfg)
+}
+
 // SetWasmComponentModel configures whether the wasm component model proposal is
 // enabled.
 func (cfg *Config) SetWasmComponentModel(enabled bool) {

From 724b9cb4e37a42f86efe465d50a0709d95d551ae Mon Sep 17 00:00:00 2001
From: effulgentsia <477547+effulgentsia@users.noreply.github.com>
Date: Tue, 17 Mar 2026 00:31:07 -0700
Subject: [PATCH 2/2] Smoke test SetGCSupport() in configuration tests

---
 config_test.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/config_test.go b/config_test.go
index cb29f74..e878075 100644
--- a/config_test.go
+++ b/config_test.go
@@ -21,6 +21,7 @@ func TestConfig(t *testing.T) {
 	NewConfig().SetWasmTailCall(true)
 	NewConfig().SetWasmFunctionReferences(true)
 	NewConfig().SetWasmGC(true)
+	NewConfig().SetGCSupport(true)
 	NewConfig().SetWasmComponentModel(true)
 	NewConfig().SetWasmWideArithmetic(true)
 	NewConfig().SetConsumeFuel(true)