From 4ba13bd39400771b54efe05f9291700c397d5059 Mon Sep 17 00:00:00 2001
From: Clement Courbet <courbet@google.com>
Date: Tue, 11 Dec 2018 07:28:00 +0000
Subject: [PATCH] Revert r348830 "[Sema]improve static_assert(!expr)"

Submitted the wrong change.

llvm-svn: 348831
---
 clang/lib/Sema/SemaTemplate.cpp      | 14 --------------
 clang/test/SemaCXX/static-assert.cpp |  4 ----
 2 files changed, 18 deletions(-)

diff --git a/clang/lib/Sema/SemaTemplate.cpp b/clang/lib/Sema/SemaTemplate.cpp
index cb6e32f..56302d6 100644
--- a/clang/lib/Sema/SemaTemplate.cpp
+++ b/clang/lib/Sema/SemaTemplate.cpp
@@ -3071,20 +3071,6 @@ static void prettyPrintFailedBooleanCondition(llvm::raw_string_ostream &OS,
     }
     return;
   }
-  if (const auto *Paren = dyn_cast<ParenExpr>(FailedCond)) {
-    OS << "(";
-    prettyPrintFailedBooleanCondition(OS, Paren->getSubExpr(), Policy);
-    OS << ")";
-    return;
-  }
-  // If this is !(BooleanExpression), try pretty-printing the inner expression.
-  const auto *UnaryOp = dyn_cast<UnaryOperator>(FailedCond);
-  if (UnaryOp && UnaryOp->getOpcode() == UO_LNot) {
-    OS << "!";
-    prettyPrintFailedBooleanCondition(OS, UnaryOp->getSubExpr(), Policy);
-    return;
-  }
-
   FailedCond->printPretty(OS, nullptr, Policy);
 }
 
diff --git a/clang/test/SemaCXX/static-assert.cpp b/clang/test/SemaCXX/static-assert.cpp
index 8c666b0..38f8209 100644
--- a/clang/test/SemaCXX/static-assert.cpp
+++ b/clang/test/SemaCXX/static-assert.cpp
@@ -111,10 +111,6 @@ static_assert(std::is_same<ExampleTypes::T, ExampleTypes::U>::value, "message");
 // expected-error@-1{{static_assert failed due to requirement 'std::is_same<int, float>::value' "message"}}
 static_assert(std::is_const<ExampleTypes::T>::value, "message");
 // expected-error@-1{{static_assert failed due to requirement 'std::is_const<int>::value' "message"}}
-static_assert(!std::is_const<const ExampleTypes::T>::value, "message");
-// expected-error@-1{{static_assert failed due to requirement '!std::is_const<int>::value' "message"}}
-static_assert(!(std::is_const<const ExampleTypes::T>::value), "message");
-// expected-error@-1{{static_assert failed due to requirement '!(std::is_const<int>::value)' "message"}}
 
 struct BI_tag {};
 struct RAI_tag : BI_tag {};
-- 
2.7.4