[commit: ghc] master: Bump hpc submodule to allow time-1.8 (ac55394)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/ghc

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/ac55394127532ddef605d00094c08be7fa0a600f/ghc

>---------------------------------------------------------------

commit ac55394127532ddef605d00094c08be7fa0a600f
Author: Reid Barton <rwbarton at gmail.com>
Date:   Fri Feb 24 21:56:51 2017 -0500

    Bump hpc submodule to allow time-1.8


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ac55394127532ddef605d00094c08be7fa0a600f
 libraries/hpc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/hpc b/libraries/hpc
index 9267329..c23cad3 160000
--- a/libraries/hpc
+++ b/libraries/hpc
@@ -1 +1 @@
-Subproject commit 92673292ab7ce7878e982d0a02df3e548ef15b52
+Subproject commit c23cad32f408559ba95b880c04dc1a2c60ec3d01