[commit: ghc] ghc-8.2: genSym: Fix DEBUG build (e4620dc)

[git at git.haskell.org]

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

On branch  : ghc-8.2
Link       : http://ghc.haskell.org/trac/ghc/changeset/e4620dc7d2b54c4fd98139c25cff150b7e4b9640/ghc

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

commit e4620dc7d2b54c4fd98139c25cff150b7e4b9640
Author: Ben Gamari <ben at smart-cactus.org>
Date:   Sat Mar 18 14:45:35 2017 -0400

    genSym: Fix DEBUG build
    
    It looks like this was likely a cut-and-paste error.


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e4620dc7d2b54c4fd98139c25cff150b7e4b9640
 compiler/cbits/genSym.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/compiler/cbits/genSym.c b/compiler/cbits/genSym.c
index 725a310..4af3940 100644
--- a/compiler/cbits/genSym.c
+++ b/compiler/cbits/genSym.c
@@ -10,7 +10,7 @@ static HsInt GenSymInc = 1;
 STATIC_INLINE void checkUniqueRange(HsInt u STG_UNUSED) {
 #if DEBUG
     // Uh oh! We will overflow next time a unique is requested.
-    assert(h != UNIQUE_MASK);
+    assert(u != UNIQUE_MASK);
 #endif
 }