runtime/debug: add GC related stubs

src/runtime/debug/garbage.go

@@ -0,0 +1,37 @@
+// Package debug is a very partially implemented package to allow compilation.
+package debug
+
+import (
+	"time"
+)
+
+type GCStats struct {
+	LastGC         time.Time
+	NumGC          int64
+	PauseTotal     time.Duration
+	Pause          []time.Duration
+	PauseEnd       []time.Time
+	PauseQuantiles []time.Duration
+}
+
+func ReadGCStats(stats *GCStats) {
+}
+
+func FreeOSMemory() {
+}
+
+func SetMaxThreads(threads int) int {
+	return threads
+}
+
+func SetPanicOnFault(enabled bool) bool {
+	return enabled
+}
+
+func WriteHeapDump(fd uintptr)
+
+func SetTraceback(level string)
+
+func SetMemoryLimit(limit int64) int64 {
+	return limit
+}