[gcc r10-6966] Fix a libiberty testsuite failure

[H.J.Lu]

https://gcc.gnu.org/g:3bb6abbf4bb98e58663ec6c9bc77ae0bdbac6e41

commit r10-6966-g3bb6abbf4bb98e58663ec6c9bc77ae0bdbac6e41
Author: Nick Clifton <nickc@redhat.com>
Date:   Mon Mar 2 03:50:34 2020 -0800

    Fix a libiberty testsuite failure
    
    	* testsuite/demangle-expected: Update expected demangling of
    	enable_if pattern.

Diff:
---
 libiberty/ChangeLog                   | 5 +++++
 libiberty/testsuite/demangle-expected | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog
index 91ae004..4c8b236 100644
--- a/libiberty/ChangeLog
+++ b/libiberty/ChangeLog
@@ -1,3 +1,8 @@
+2020-03-02  Nick Clifton  <nickc@redhat.com>
+
+	* testsuite/demangle-expected: Update expected demangling of
+	enable_if pattern.
+
 2020-03-02  H.J. Lu  <hongjiu.lu@intel.com>
 
 	PR lto/93966
diff --git a/libiberty/testsuite/demangle-expected b/libiberty/testsuite/demangle-expected
index daffe78..ccadf84 100644
--- a/libiberty/testsuite/demangle-expected
+++ b/libiberty/testsuite/demangle-expected
@@ -1449,7 +1449,7 @@ Foo<int>()::{lambda(auto:1)#1}::operator()<char>(char) const::X::fn
 #PR91979 demangling nullptr expression
 
 _Z3fooILPv0EEvPN9enable_ifIXeqT_LDnEEvE4typeE
-void foo<(void*)0>(enable_if<((void*)0)==((decltype(nullptr))), void>::type*)
+void foo<(void*)0>(enable_if<((void*)0)==(decltype(nullptr)), void>::type*)
 
 _ZNK5coro15emptyawEv
 coro1::empty::operator co_await() const