runtime: enable StackCopyAlways
Let's see how close we are to this being ready.
Will roll back if it breaks any builds in non-trivial ways.
LGTM=r, khr
R=iant, khr, r
CC=golang-codereviews
https://golang.org/cl/138200043
diff --git a/src/runtime/stack.c b/src/runtime/stack.c
index bb8c7ac..ca0eed0 100644
--- a/src/runtime/stack.c
+++ b/src/runtime/stack.c
@@ -26,7 +26,7 @@
StackCache = 1,
- StackCopyAlways = 0, // expect to be able to copy stacks 100% of the time
+ StackCopyAlways = 1, // expect to be able to copy stacks 100% of the time
};
// Global pool of spans that have free stacks.