1 files changed, 10 insertions, 0 deletions
diff --git a/src/runtime/panic.go b/src/runtime/panic.go
index c6ab1bac3f..28b5cbefcc 100644
--- a/src/runtime/panic.go
+++ b/src/runtime/panic.go
@@ -1281,6 +1281,12 @@ func startpanic_m() bool {
 	}
 }
 
+// throwReportQuirk, if non-nil, is called by throw after dumping the stacks.
+//
+// TODO(austin): Remove this after Go 1.15 when we remove the
+// mlockGsignal workaround.
+var throwReportQuirk func()
+
 var didothers bool
 var deadlock mutex
 
@@ -1327,6 +1333,10 @@ func dopanic_m(gp *g, pc, sp uintptr) bool {
 
 	printDebugLog()
 
+	if throwReportQuirk != nil {
+		throwReportQuirk()
+	}
+
 	return docrash
 }