runtime: disable StackCopyAlways

I forgot to clear this before submitting.

TBR=khr
CC=golang-codereviews
https://golang.org/cl/132640044

diff --git a/src/pkg/runtime/stack.c b/src/pkg/runtime/stack.c
index facf0c5e82b1fd999e9c8f8561000362f99d5a48..20a37046f932ce9a26614e27dc5d042b3f48e719 100644 (file)
--- a/src/pkg/runtime/stack.c
+++ b/src/pkg/runtime/stack.c
@@ -26,7 +26,7 @@ enum
 
        StackCache = 1,
        
-       StackCopyAlways = 1,    // expect to be able to copy stacks 100% of the time
+       StackCopyAlways = 0,    // expect to be able to copy stacks 100% of the time
 };
 
 // Global pool of spans that have free stacks.