tree 438b7b940b05d780a64fa8a98846b1da4dc98885
parent 0d64279c01a37b2579c0c62ca4f2c3e3f81de07c
author Ian Lance Taylor <iant@golang.org> 1547527827 -0800
committer Ian Lance Taylor <iant@golang.org> 1547584319 +0000

compiler, runtime: panic on uncomparable map key, even if map is empty

This ports https://golang.org/cl/155918 from the master repo.

    runtime: panic on uncomparable map key, even if map is empty

    Reorg map flags a bit so we don't need any extra space for the extra flag.

This is a pre-req for updating libgo to the Go 1.12beta2 release.

Change-Id: I31dc787bb2a29a8d991a9b119eeaa4fea00fad30
Reviewed-on: https://go-review.googlesource.com/c/157858
Reviewed-by: Cherry Zhang <cherryyz@google.com>
Reviewed-by: Than McIntosh <thanm@google.com>