Revert "[clang] Enable sized deallocation by default in C++14 onwards (#83774)" (#90299)

https://lab.llvm.org/buildbot/#/builders/168/builds/20063 (should be
fixed with #90292)

More details in #83774

This reverts commit cf5a8b489464d09dfdd7a48ce7c8b41d3c9bf819.

27 files changed, 76 insertions, 334 deletions

diff --git a/clang/test/AST/ast-dump-expr-json.cpp b/clang/test/AST/ast-dump-expr-json.cpp
index bdd5ea1..0fb07b0 100644
--- a/clang/test/AST/ast-dump-expr-json.cpp
+++ b/clang/test/AST/ast-dump-expr-json.cpp
@@ -2333,7 +2333,7 @@ void TestNonADLCall3() {
 // CHECK-NEXT:         "kind": "FunctionDecl",
 // CHECK-NEXT:         "name": "operator delete",
 // CHECK-NEXT:         "type": {
-// CHECK-NEXT:          "qualType": "void (void *, unsigned long) noexcept"
+// CHECK-NEXT:          "qualType": "void (void *) noexcept"
 // CHECK-NEXT:         }
 // CHECK-NEXT:        },
 // CHECK-NEXT:        "inner": [
diff --git a/clang/test/AST/ast-dump-expr.cpp b/clang/test/AST/ast-dump-expr.cpp
index de88f29..69e65e2 100644
--- a/clang/test/AST/ast-dump-expr.cpp
+++ b/clang/test/AST/ast-dump-expr.cpp
@@ -164,7 +164,7 @@ void UnaryExpressions(int *p) {
   // CHECK-NEXT: DeclRefExpr 0x{{[^ ]*}} <col:8> 'int *' lvalue ParmVar 0x{{[^ ]*}} 'p' 'int *'
 
   ::delete p;
-  // CHECK: CXXDeleteExpr 0x{{[^ ]*}} <line:[[@LINE-1]]:3, col:12> 'void' global Function 0x{{[^ ]*}} 'operator delete' 'void (void *, unsigned long) noexcept'
+  // CHECK: CXXDeleteExpr 0x{{[^ ]*}} <line:[[@LINE-1]]:3, col:12> 'void' global Function 0x{{[^ ]*}} 'operator delete' 'void (void *) noexcept'
   // CHECK-NEXT: ImplicitCastExpr
   // CHECK-NEXT: DeclRefExpr 0x{{[^ ]*}} <col:12> 'int *' lvalue ParmVar 0x{{[^ ]*}} 'p' 'int *'
 
diff --git a/clang/test/AST/ast-dump-stmt-json.cpp b/clang/test/AST/ast-dump-stmt-json.cpp
index a473d17..667a12a 100644
--- a/clang/test/AST/ast-dump-stmt-json.cpp
+++ b/clang/test/AST/ast-dump-stmt-json.cpp
@@ -994,7 +994,7 @@ void TestDependentGenericSelectionExpr(Ty T) {
 // CHECK-NEXT:       "kind": "FunctionDecl",
 // CHECK-NEXT:       "name": "operator delete",
 // CHECK-NEXT:       "type": {
-// CHECK-NEXT:        "qualType": "void (void *, unsigned long) noexcept"
+// CHECK-NEXT:        "qualType": "void (void *) noexcept"
 // CHECK-NEXT:       }
 // CHECK-NEXT:      },
 // CHECK-NEXT:      "inner": [
@@ -1369,7 +1369,7 @@ void TestDependentGenericSelectionExpr(Ty T) {
 // CHECK-NEXT:       "kind": "FunctionDecl",
 // CHECK-NEXT:       "name": "operator delete",
 // CHECK-NEXT:       "type": {
-// CHECK-NEXT:        "qualType": "void (void *, unsigned long) noexcept"
+// CHECK-NEXT:        "qualType": "void (void *) noexcept"
 // CHECK-NEXT:       }
 // CHECK-NEXT:      },
 // CHECK-NEXT:      "inner": [
@@ -1722,6 +1722,7 @@ void TestDependentGenericSelectionExpr(Ty T) {
 // CHECK-NEXT:   "end": {}
 // CHECK-NEXT:  },
 // CHECK-NEXT:  "isImplicit": true,
+// CHECK-NEXT:  "isUsed": true,
 // CHECK-NEXT:  "name": "operator delete",
 // CHECK-NEXT:  "mangledName": "_ZdlPv",
 // CHECK-NEXT:  "type": {
@@ -1818,126 +1819,6 @@ void TestDependentGenericSelectionExpr(Ty T) {
 // CHECK-NEXT:  },
 // CHECK-NEXT:  "isImplicit": true,
 // CHECK-NEXT:  "isUsed": true,
-// CHECK-NEXT:  "name": "operator delete",
-// CHECK-NEXT:  "mangledName": "_ZdlPvm",
-// CHECK-NEXT:  "type": {
-// CHECK-NEXT:   "qualType": "void (void *, unsigned long) noexcept"
-// CHECK-NEXT:  },
-// CHECK-NEXT:  "inner": [
-// CHECK-NEXT:   {
-// CHECK-NEXT:    "id": "0x{{.*}}",
-// CHECK-NEXT:    "kind": "ParmVarDecl",
-// CHECK-NEXT:    "loc": {},
-// CHECK-NEXT:    "range": {
-// CHECK-NEXT:     "begin": {},
-// CHECK-NEXT:     "end": {}
-// CHECK-NEXT:    },
-// CHECK-NEXT:    "isImplicit": true,
-// CHECK-NEXT:    "type": {
-// CHECK-NEXT:     "qualType": "void *"
-// CHECK-NEXT:    }
-// CHECK-NEXT:   },
-// CHECK-NEXT:   {
-// CHECK-NEXT:    "id": "0x{{.*}}",
-// CHECK-NEXT:    "kind": "ParmVarDecl",
-// CHECK-NEXT:    "loc": {},
-// CHECK-NEXT:    "range": {
-// CHECK-NEXT:     "begin": {},
-// CHECK-NEXT:     "end": {}
-// CHECK-NEXT:    },
-// CHECK-NEXT:    "isImplicit": true,
-// CHECK-NEXT:    "type": {
-// CHECK-NEXT:     "qualType": "unsigned long"
-// CHECK-NEXT:    }
-// CHECK-NEXT:   },
-// CHECK-NEXT:   {
-// CHECK-NEXT:    "id": "0x{{.*}}",
-// CHECK-NEXT:    "kind": "VisibilityAttr",
-// CHECK-NEXT:    "range": {
-// CHECK-NEXT:     "begin": {},
-// CHECK-NEXT:     "end": {}
-// CHECK-NEXT:    },
-// CHECK-NEXT:    "implicit": true,
-// CHECK-NEXT:    "visibility": "default"
-// CHECK-NEXT:   }
-// CHECK-NEXT:  ]
-// CHECK-NEXT: }
-
-// CHECK-NOT: {{^}}Dumping
-// CHECK:  "kind": "FunctionDecl",
-// CHECK-NEXT:  "loc": {},
-// CHECK-NEXT:  "range": {
-// CHECK-NEXT:   "begin": {},
-// CHECK-NEXT:   "end": {}
-// CHECK-NEXT:  },
-// CHECK-NEXT:  "isImplicit": true,
-// CHECK-NEXT:  "name": "operator delete",
-// CHECK-NEXT:  "mangledName": "_ZdlPvmSt11align_val_t",
-// CHECK-NEXT:  "type": {
-// CHECK-NEXT:   "qualType": "void (void *, unsigned long, std::align_val_t) noexcept"
-// CHECK-NEXT:  },
-// CHECK-NEXT:  "inner": [
-// CHECK-NEXT:   {
-// CHECK-NEXT:    "id": "0x{{.*}}",
-// CHECK-NEXT:    "kind": "ParmVarDecl",
-// CHECK-NEXT:    "loc": {},
-// CHECK-NEXT:    "range": {
-// CHECK-NEXT:     "begin": {},
-// CHECK-NEXT:     "end": {}
-// CHECK-NEXT:    },
-// CHECK-NEXT:    "isImplicit": true,
-// CHECK-NEXT:    "type": {
-// CHECK-NEXT:     "qualType": "void *"
-// CHECK-NEXT:    }
-// CHECK-NEXT:   },
-// CHECK-NEXT:   {
-// CHECK-NEXT:    "id": "0x{{.*}}",
-// CHECK-NEXT:    "kind": "ParmVarDecl",
-// CHECK-NEXT:    "loc": {},
-// CHECK-NEXT:    "range": {
-// CHECK-NEXT:     "begin": {},
-// CHECK-NEXT:     "end": {}
-// CHECK-NEXT:    },
-// CHECK-NEXT:    "isImplicit": true,
-// CHECK-NEXT:    "type": {
-// CHECK-NEXT:     "qualType": "unsigned long"
-// CHECK-NEXT:    }
-// CHECK-NEXT:   },
-// CHECK-NEXT:   {
-// CHECK-NEXT:    "id": "0x{{.*}}",
-// CHECK-NEXT:    "kind": "ParmVarDecl",
-// CHECK-NEXT:    "loc": {},
-// CHECK-NEXT:    "range": {
-// CHECK-NEXT:     "begin": {},
-// CHECK-NEXT:     "end": {}
-// CHECK-NEXT:    },
-// CHECK-NEXT:    "isImplicit": true,
-// CHECK-NEXT:    "type": {
-// CHECK-NEXT:     "qualType": "std::align_val_t"
-// CHECK-NEXT:    }
-// CHECK-NEXT:   },
-// CHECK-NEXT:   {
-// CHECK-NEXT:    "id": "0x{{.*}}",
-// CHECK-NEXT:    "kind": "VisibilityAttr",
-// CHECK-NEXT:    "range": {
-// CHECK-NEXT:     "begin": {},
-// CHECK-NEXT:     "end": {}
-// CHECK-NEXT:    },
-// CHECK-NEXT:    "implicit": true,
-// CHECK-NEXT:    "visibility": "default"
-// CHECK-NEXT:   }
-// CHECK-NEXT:  ]
-// CHECK-NEXT: }
-
-// CHECK-NOT: {{^}}Dumping
-// CHECK:  "kind": "FunctionDecl",
-// CHECK-NEXT:  "loc": {},
-// CHECK-NEXT:  "range": {
-// CHECK-NEXT:   "begin": {},
-// CHECK-NEXT:   "end": {}
-// CHECK-NEXT:  },
-// CHECK-NEXT:  "isImplicit": true,
-// CHECK-NEXT:  "isUsed": true,
 // CHECK-NEXT:  "name": "operator delete[]",
 // CHECK-NEXT:  "mangledName": "_ZdaPv",
 // CHECK-NEXT:  "type": {
@@ -2026,125 +1907,6 @@ void TestDependentGenericSelectionExpr(Ty T) {
 
 
 // CHECK-NOT: {{^}}Dumping
-// CHECK:  "kind": "FunctionDecl",
-// CHECK-NEXT:  "loc": {},
-// CHECK-NEXT:  "range": {
-// CHECK-NEXT:   "begin": {},
-// CHECK-NEXT:   "end": {}
-// CHECK-NEXT:  },
-// CHECK-NEXT:  "isImplicit": true,
-// CHECK-NEXT:  "name": "operator delete[]",
-// CHECK-NEXT:  "mangledName": "_ZdaPvm",
-// CHECK-NEXT:  "type": {
-// CHECK-NEXT:   "qualType": "void (void *, unsigned long) noexcept"
-// CHECK-NEXT:  },
-// CHECK-NEXT:  "inner": [
-// CHECK-NEXT:   {
-// CHECK-NEXT:    "id": "0x{{.*}}",
-// CHECK-NEXT:    "kind": "ParmVarDecl",
-// CHECK-NEXT:    "loc": {},
-// CHECK-NEXT:    "range": {
-// CHECK-NEXT:     "begin": {},
-// CHECK-NEXT:     "end": {}
-// CHECK-NEXT:    },
-// CHECK-NEXT:    "isImplicit": true,
-// CHECK-NEXT:    "type": {
-// CHECK-NEXT:     "qualType": "void *"
-// CHECK-NEXT:    }
-// CHECK-NEXT:   },
-// CHECK-NEXT:   {
-// CHECK-NEXT:    "id": "0x{{.*}}",
-// CHECK-NEXT:    "kind": "ParmVarDecl",
-// CHECK-NEXT:    "loc": {},
-// CHECK-NEXT:    "range": {
-// CHECK-NEXT:     "begin": {},
-// CHECK-NEXT:     "end": {}
-// CHECK-NEXT:    },
-// CHECK-NEXT:    "isImplicit": true,
-// CHECK-NEXT:    "type": {
-// CHECK-NEXT:     "qualType": "unsigned long"
-// CHECK-NEXT:    }
-// CHECK-NEXT:   },
-// CHECK-NEXT:   {
-// CHECK-NEXT:    "id": "0x{{.*}}",
-// CHECK-NEXT:    "kind": "VisibilityAttr",
-// CHECK-NEXT:    "range": {
-// CHECK-NEXT:     "begin": {},
-// CHECK-NEXT:     "end": {}
-// CHECK-NEXT:    },
-// CHECK-NEXT:    "implicit": true,
-// CHECK-NEXT:    "visibility": "default"
-// CHECK-NEXT:   }
-// CHECK-NEXT:  ]
-// CHECK-NEXT: }
-
-// CHECK-NOT: {{^}}Dumping
-// CHECK:  "kind": "FunctionDecl",
-// CHECK-NEXT:  "loc": {},
-// CHECK-NEXT:  "range": {
-// CHECK-NEXT:   "begin": {},
-// CHECK-NEXT:   "end": {}
-// CHECK-NEXT:  },
-// CHECK-NEXT:  "isImplicit": true,
-// CHECK-NEXT:  "name": "operator delete[]",
-// CHECK-NEXT:  "mangledName": "_ZdaPvmSt11align_val_t",
-// CHECK-NEXT:  "type": {
-// CHECK-NEXT:   "qualType": "void (void *, unsigned long, std::align_val_t) noexcept"
-// CHECK-NEXT:  },
-// CHECK-NEXT:  "inner": [
-// CHECK-NEXT:   {
-// CHECK-NEXT:    "id": "0x{{.*}}",
-// CHECK-NEXT:    "kind": "ParmVarDecl",
-// CHECK-NEXT:    "loc": {},
-// CHECK-NEXT:    "range": {
-// CHECK-NEXT:     "begin": {},
-// CHECK-NEXT:     "end": {}
-// CHECK-NEXT:    },
-// CHECK-NEXT:    "isImplicit": true,
-// CHECK-NEXT:    "type": {
-// CHECK-NEXT:     "qualType": "void *"
-// CHECK-NEXT:    }
-// CHECK-NEXT:   },
-// CHECK-NEXT:   {
-// CHECK-NEXT:    "id": "0x{{.*}}",
-// CHECK-NEXT:    "kind": "ParmVarDecl",
-// CHECK-NEXT:    "loc": {},
-// CHECK-NEXT:    "range": {
-// CHECK-NEXT:     "begin": {},
-// CHECK-NEXT:     "end": {}
-// CHECK-NEXT:    },
-// CHECK-NEXT:    "isImplicit": true,
-// CHECK-NEXT:    "type": {
-// CHECK-NEXT:     "qualType": "unsigned long"
-// CHECK-NEXT:    }
-// CHECK-NEXT:   },
-// CHECK-NEXT:   {
-// CHECK-NEXT:    "id": "0x{{.*}}",
-// CHECK-NEXT:    "kind": "ParmVarDecl",
-// CHECK-NEXT:    "loc": {},
-// CHECK-NEXT:    "range": {
-// CHECK-NEXT:     "begin": {},
-// CHECK-NEXT:     "end": {}
-// CHECK-NEXT:    },
-// CHECK-NEXT:    "isImplicit": true,
-// CHECK-NEXT:    "type": {
-// CHECK-NEXT:     "qualType": "std::align_val_t"
-// CHECK-NEXT:    }
-// CHECK-NEXT:   },
-// CHECK-NEXT:   {
-// CHECK-NEXT:    "id": "0x{{.*}}",
-// CHECK-NEXT:    "kind": "VisibilityAttr",
-// CHECK-NEXT:    "range": {
-// CHECK-NEXT:     "begin": {},
-// CHECK-NEXT:     "end": {}
-// CHECK-NEXT:    },
-// CHECK-NEXT:    "implicit": true,
-// CHECK-NEXT:    "visibility": "default"
-// CHECK-NEXT:   }
-// CHECK-NEXT:  ]
-// CHECK-NEXT: }
-
-// CHECK-NOT: {{^}}Dumping
 // CHECK:  "kind": "FunctionTemplateDecl",
 // CHECK-NEXT:  "loc": {
 // CHECK-NEXT:   "offset": 598,
diff --git a/clang/test/Analysis/cxxnewexpr-callback.cpp b/clang/test/Analysis/cxxnewexpr-callback.cpp
index 7df58cf..fe7a9ff 100644
--- a/clang/test/Analysis/cxxnewexpr-callback.cpp
+++ b/clang/test/Analysis/cxxnewexpr-callback.cpp
@@ -9,7 +9,7 @@ void free(void *);
 } // namespace std
 
 void *operator new(size_t size) { return std::malloc(size); }
-void operator delete(void *ptr, size_t size) { std::free(ptr); }
+void operator delete(void *ptr) { std::free(ptr); }
 
 struct S {
   S() {}
@@ -49,7 +49,7 @@ void test() {
 // CHECK-NEXT: PostCall (operator delete)
 }
 
-void operator delete(void *ptr, size_t size) {
+void operator delete(void *ptr) {
   std::free(ptr);
 // CHECK-NO-INLINE-NEXT: PreCall (std::free)
 // CHECK-NO-INLINE-NEXT: PostCall (std::free)
diff --git a/clang/test/CXX/basic/basic.stc/basic.stc.dynamic/basic.stc.dynamic.deallocation/p2.cpp b/clang/test/CXX/basic/basic.stc/basic.stc.dynamic/basic.stc.dynamic.deallocation/p2.cpp
index 706549f..9e3210c 100644
--- a/clang/test/CXX/basic/basic.stc/basic.stc.dynamic/basic.stc.dynamic.deallocation/p2.cpp
+++ b/clang/test/CXX/basic/basic.stc/basic.stc.dynamic/basic.stc.dynamic.deallocation/p2.cpp
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -std=c++1z -fexceptions -verify %s
+// RUN: %clang_cc1 -std=c++1z -fsized-deallocation -fexceptions -verify %s
 
 using size_t = decltype(sizeof(0));
 
diff --git a/clang/test/CXX/drs/cwg292.cpp b/clang/test/CXX/drs/cwg292.cpp
index a7bcbe6f..b05d3b92 100644
--- a/clang/test/CXX/drs/cwg292.cpp
+++ b/clang/test/CXX/drs/cwg292.cpp
@@ -1,10 +1,10 @@
-// RUN: %clang_cc1 -std=c++98 %s -triple x86_64-linux-gnu -emit-llvm -disable-llvm-passes -o - -fexceptions -fcxx-exceptions -pedantic-errors | llvm-cxxfilt -n | FileCheck %s --check-prefixes CHECK,CXX98-11
-// RUN: %clang_cc1 -std=c++11 %s -triple x86_64-linux-gnu -emit-llvm -disable-llvm-passes -o - -fexceptions -fcxx-exceptions -pedantic-errors | llvm-cxxfilt -n | FileCheck %s --check-prefixes CHECK,CXX98-11
-// RUN: %clang_cc1 -std=c++14 %s -triple x86_64-linux-gnu -emit-llvm -disable-llvm-passes -o - -fexceptions -fcxx-exceptions -pedantic-errors | llvm-cxxfilt -n | FileCheck %s --check-prefixes CHECK,SINCE-CXX14
-// RUN: %clang_cc1 -std=c++17 %s -triple x86_64-linux-gnu -emit-llvm -disable-llvm-passes -o - -fexceptions -fcxx-exceptions -pedantic-errors | llvm-cxxfilt -n | FileCheck %s --check-prefixes CHECK,SINCE-CXX14
-// RUN: %clang_cc1 -std=c++20 %s -triple x86_64-linux-gnu -emit-llvm -disable-llvm-passes -o - -fexceptions -fcxx-exceptions -pedantic-errors | llvm-cxxfilt -n | FileCheck %s --check-prefixes CHECK,SINCE-CXX14
-// RUN: %clang_cc1 -std=c++23 %s -triple x86_64-linux-gnu -emit-llvm -disable-llvm-passes -o - -fexceptions -fcxx-exceptions -pedantic-errors | llvm-cxxfilt -n | FileCheck %s --check-prefixes CHECK,SINCE-CXX14
-// RUN: %clang_cc1 -std=c++2c %s -triple x86_64-linux-gnu -emit-llvm -disable-llvm-passes -o - -fexceptions -fcxx-exceptions -pedantic-errors | llvm-cxxfilt -n | FileCheck %s --check-prefixes CHECK,SINCE-CXX14
+// RUN: %clang_cc1 -std=c++98 %s -triple x86_64-linux-gnu -emit-llvm -disable-llvm-passes -o - -fexceptions -fcxx-exceptions -pedantic-errors | llvm-cxxfilt -n | FileCheck %s --check-prefixes CHECK
+// RUN: %clang_cc1 -std=c++11 %s -triple x86_64-linux-gnu -emit-llvm -disable-llvm-passes -o - -fexceptions -fcxx-exceptions -pedantic-errors | llvm-cxxfilt -n | FileCheck %s --check-prefixes CHECK
+// RUN: %clang_cc1 -std=c++14 %s -triple x86_64-linux-gnu -emit-llvm -disable-llvm-passes -o - -fexceptions -fcxx-exceptions -pedantic-errors | llvm-cxxfilt -n | FileCheck %s --check-prefixes CHECK
+// RUN: %clang_cc1 -std=c++17 %s -triple x86_64-linux-gnu -emit-llvm -disable-llvm-passes -o - -fexceptions -fcxx-exceptions -pedantic-errors | llvm-cxxfilt -n | FileCheck %s --check-prefixes CHECK
+// RUN: %clang_cc1 -std=c++20 %s -triple x86_64-linux-gnu -emit-llvm -disable-llvm-passes -o - -fexceptions -fcxx-exceptions -pedantic-errors | llvm-cxxfilt -n | FileCheck %s --check-prefixes CHECK
+// RUN: %clang_cc1 -std=c++23 %s -triple x86_64-linux-gnu -emit-llvm -disable-llvm-passes -o - -fexceptions -fcxx-exceptions -pedantic-errors | llvm-cxxfilt -n | FileCheck %s --check-prefixes CHECK
+// RUN: %clang_cc1 -std=c++2c %s -triple x86_64-linux-gnu -emit-llvm -disable-llvm-passes -o - -fexceptions -fcxx-exceptions -pedantic-errors | llvm-cxxfilt -n | FileCheck %s --check-prefixes CHECK
 
 namespace cwg292 { // cwg292: 2.9
 
@@ -23,8 +23,7 @@ void f() {
 // CHECK:         invoke {{.*}} i32 @cwg292::g()()
 // CHECK-NEXT:           to {{.*}} unwind label %lpad
 // CHECK-LABEL: lpad:
-// CXX98-11:      call void @operator delete(void*)(ptr {{.*}} %[[CALL]])
-// SINCE-CXX14:   call void @operator delete(void*, unsigned long)(ptr {{.*}} %[[CALL]], i64 noundef 1)
+// CHECK:         call void @operator delete(void*)(ptr {{.*}} %[[CALL]])
 // CHECK-LABEL: eh.resume:
 // CHECK-LABEL: }
 
diff --git a/clang/test/CXX/expr/expr.unary/expr.new/p14.cpp b/clang/test/CXX/expr/expr.unary/expr.new/p14.cpp
index d0b24c8..6537cdc 100644
--- a/clang/test/CXX/expr/expr.unary/expr.new/p14.cpp
+++ b/clang/test/CXX/expr/expr.unary/expr.new/p14.cpp
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -std=c++1z -fexceptions %s -verify
+// RUN: %clang_cc1 -std=c++1z -fsized-deallocation -fexceptions %s -verify
 
 using size_t = decltype(sizeof(0));
 namespace std { enum class align_val_t : size_t {}; }
diff --git a/clang/test/CodeGenCXX/cxx1y-sized-deallocation.cpp b/clang/test/CodeGenCXX/cxx1y-sized-deallocation.cpp
index 55913aff..4e15657 100644
--- a/clang/test/CodeGenCXX/cxx1y-sized-deallocation.cpp
+++ b/clang/test/CodeGenCXX/cxx1y-sized-deallocation.cpp
@@ -1,12 +1,12 @@
 // Check that delete exprs call the sized deallocation function if
-// -fsized-deallocation is passed in C++11 or std >= C++14.
+// -fsized-deallocation is passed in both C++11 and C++14.
 // RUN: %clang_cc1 -std=c++11 -fsized-deallocation %s -emit-llvm -triple x86_64-linux-gnu -o - | FileCheck %s
-// RUN: %clang_cc1 -std=c++14 %s -emit-llvm -triple x86_64-linux-gnu -o - | FileCheck %s
+// RUN: %clang_cc1 -std=c++14 -fsized-deallocation %s -emit-llvm -triple x86_64-linux-gnu -o - | FileCheck %s
 
-// Check that we don't used sized deallocation with -fno-sized-deallocation or without C++14.
+// Check that we don't used sized deallocation without -fsized-deallocation and
+// C++14.
 // RUN: %clang_cc1 -std=c++11 %s -emit-llvm -triple x86_64-linux-gnu -o - | FileCheck %s --check-prefix=CHECK-UNSIZED
-// RUN: %clang_cc1 -std=c++14 %s -emit-llvm -triple x86_64-linux-gnu -fno-sized-deallocation -o - \
-// RUN:     | FileCheck %s --check-prefix=CHECK-UNSIZED
+// RUN: %clang_cc1 -std=c++14 %s -emit-llvm -triple x86_64-linux-gnu -o - | FileCheck %s --check-prefix=CHECK-UNSIZED
 
 // CHECK-UNSIZED-NOT: _ZdlPvm
 // CHECK-UNSIZED-NOT: _ZdaPvm
diff --git a/clang/test/CodeGenCXX/cxx1z-aligned-allocation.cpp b/clang/test/CodeGenCXX/cxx1z-aligned-allocation.cpp
index 8823bc6..ab2e4b3 100644
--- a/clang/test/CodeGenCXX/cxx1z-aligned-allocation.cpp
+++ b/clang/test/CodeGenCXX/cxx1z-aligned-allocation.cpp
@@ -1,10 +1,10 @@
 // Check that delete exprs call aligned (de)allocation functions if
 // -faligned-allocation is passed in both C++11 and C++14.
 // RUN: %clang_cc1 -std=c++11 -fexceptions -fsized-deallocation -faligned-allocation %s -emit-llvm -triple x86_64-linux-gnu -o - | FileCheck %s
-// RUN: %clang_cc1 -std=c++14 -fexceptions -faligned-allocation %s -emit-llvm -triple x86_64-linux-gnu -o - | FileCheck %s
-// RUN: %clang_cc1 -std=c++1z -fexceptions %s -emit-llvm -triple x86_64-linux-gnu -o - | FileCheck %s
+// RUN: %clang_cc1 -std=c++14 -fexceptions -fsized-deallocation -faligned-allocation %s -emit-llvm -triple x86_64-linux-gnu -o - | FileCheck %s
+// RUN: %clang_cc1 -std=c++1z -fexceptions -fsized-deallocation %s -emit-llvm -triple x86_64-linux-gnu -o - | FileCheck %s
 
-// RUN: %clang_cc1 -std=c++1z -fexceptions %s -emit-llvm -triple x86_64-windows-msvc -o - | FileCheck %s --check-prefix=CHECK-MS
+// RUN: %clang_cc1 -std=c++1z -fexceptions -fsized-deallocation %s -emit-llvm -triple x86_64-windows-msvc -o - | FileCheck %s --check-prefix=CHECK-MS
 
 // Check that we don't used aligned (de)allocation without -faligned-allocation or C++1z.
 // RUN: %clang_cc1 -std=c++14 -DUNALIGNED -fexceptions %s -emit-llvm -triple x86_64-linux-gnu -o - | FileCheck %s --check-prefix=CHECK-UNALIGNED
diff --git a/clang/test/CodeGenCXX/cxx2a-destroying-delete.cpp b/clang/test/CodeGenCXX/cxx2a-destroying-delete.cpp
index f6f4a2f..20264b6 100644
--- a/clang/test/CodeGenCXX/cxx2a-destroying-delete.cpp
+++ b/clang/test/CodeGenCXX/cxx2a-destroying-delete.cpp
@@ -108,10 +108,10 @@ struct J {
 // CHECK-MSABI-LABEL: define {{.*}}@"?j@@
 J *j() {
   // CHECK-ITANIUM: invoke {{.*}}@_ZN1JC1Ev(
-  // CHECK-ITANIUM: call {{.*}}@_ZdlPvm(
+  // CHECK-ITANIUM: call {{.*}}@_ZdlPv(
   // CHECK-NOT: }
   // CHECK-MSABI: invoke {{.*}}@"??0J@@Q{{AE|EAA}}@XZ"(
-  // CHECK-MSABI: call {{.*}}@"??3@YAXP{{E?}}AX{{I|_K}}@Z"(
+  // CHECK-MSABI: call {{.*}}@"??3@YAXP{{E?}}AX@Z"(
   return new J;
   // CHECK: }
 }
diff --git a/clang/test/CodeGenCXX/delete-two-arg.cpp b/clang/test/CodeGenCXX/delete-two-arg.cpp
index a0dcd03..552634f 100644
--- a/clang/test/CodeGenCXX/delete-two-arg.cpp
+++ b/clang/test/CodeGenCXX/delete-two-arg.cpp
@@ -43,9 +43,7 @@ namespace test2 {
     // CHECK-NEXT: br i1 [[T1]],
     // CHECK: [[T3:%.*]] = getelementptr inbounds i8, ptr [[T0]], i32 -4
     // CHECK-NEXT: [[T5:%.*]] = load i32, ptr [[T3]]
-    // CHECK-NEXT: [[T6:%.*]] = mul i32 4, [[T5]]
-    // CHECK-NEXT: [[T7:%.*]] = add i32 [[T6]], 4
-    // CHECK-NEXT: call void @_ZdaPvj(ptr noundef [[T3]], i32 noundef [[T7]])
+    // CHECK-NEXT: call void @_ZdaPv(ptr noundef [[T3]])
     // CHECK-NEXT: br label
     ::delete[] p;
   }
diff --git a/clang/test/CodeGenCXX/delete.cpp b/clang/test/CodeGenCXX/delete.cpp
index d5b0dc6..1a418f4 100644
--- a/clang/test/CodeGenCXX/delete.cpp
+++ b/clang/test/CodeGenCXX/delete.cpp
@@ -16,7 +16,7 @@ void t3(S *s) {
   // CHECK: icmp {{.*}} null
   // CHECK: br i1
 
-  // CHECK: call void @_ZdlPvm
+  // CHECK: call void @_ZdlPv
 
   // Check the delete is inside the 'if !null' check unless we're optimizing
   // for size. FIXME: We could omit the branch entirely in this case.
@@ -35,7 +35,7 @@ struct T {
 void t4(T *t) {
   // CHECK: call void @_ZN1TD1Ev
   // CHECK-SIZE-NEXT: br
-  // CHECK: call void @_ZdlPvm
+  // CHECK: call void @_ZdlPv
   delete t;
 }
 
@@ -93,16 +93,14 @@ namespace test1 {
     // CHECK-NEXT: call void @_ZN5test11AD1Ev(ptr {{[^,]*}} [[CUR]])
     // CHECK-NEXT: [[ISDONE:%.*]] = icmp eq ptr [[CUR]], [[BEGIN]]
     // CHECK-NEXT: br i1 [[ISDONE]]
-    // CHECK:      [[MUL:%.*]] = mul i64 4, [[COUNT]]
-    // CHECK-NEXT: [[SIZE:%.*]] = add i64 [[MUL]], 8
-    // CHECK-NEXT: call void @_ZdaPvm(ptr noundef [[ALLOC]], i64 noundef [[SIZE]])
+    // CHECK:      call void @_ZdaPv(ptr noundef [[ALLOC]])
   }
 }
 
 namespace test2 {
   // CHECK-LABEL: define{{.*}} void @_ZN5test21fEPb
   void f(bool *b) {
-    // CHECK: call void @_ZdlPvm(ptr{{.*}}i64
+    // CHECK: call void @_ZdlPv(ptr
     delete b;
     // CHECK: call void @_ZdaPv(ptr
     delete [] b;
@@ -139,7 +137,7 @@ namespace test4 {
     // CHECK-NEXT: [[DTOR:%.*]] = load ptr, ptr [[T0]]
     // CHECK-NEXT: call void [[DTOR]](ptr {{[^,]*}} [[OBJ:%.*]])
     //   Call the global operator delete.
-    // CHECK-NEXT: call void @_ZdlPvm(ptr noundef [[ALLOCATED]], i64 noundef 8) [[NUW:#[0-9]+]]
+    // CHECK-NEXT: call void @_ZdlPv(ptr noundef [[ALLOCATED]]) [[NUW:#[0-9]+]]
     ::delete xp;
   }
 }
diff --git a/clang/test/CodeGenCXX/dllimport.cpp b/clang/test/CodeGenCXX/dllimport.cpp
index 484866b..6fec2f2 100644
--- a/clang/test/CodeGenCXX/dllimport.cpp
+++ b/clang/test/CodeGenCXX/dllimport.cpp
@@ -205,7 +205,7 @@ USEVAR(VarTmpl<ExplicitSpec_Imported>)
 // Functions
 //===----------------------------------------------------------------------===//
 
-// GNU-DAG: declare dso_local void @_ZdlPv{{j|y}}(ptr, i{{32|64}})
+// GNU-DAG: declare dso_local void @_ZdlPv(ptr)
 
 // Import function declaration.
 // MSC-DAG: declare dllimport void @"?decl@@YAXXZ"()
@@ -358,7 +358,7 @@ __declspec(dllimport) void operator delete(void*);
 __declspec(dllimport) inline int *ReferencingImportedNew() { return new int[2]; }
 // MO1-DAG: define available_externally dllimport ptr @"?ReferencingImportedNew@@YAPAHXZ"
 __declspec(dllimport) inline int *ReferencingImportedDelete() { delete (int*)nullptr; }
-// MO1-DAG: declare dllimport ptr @"?ReferencingImportedDelete@@YAPAHXZ"
+// MO1-DAG: define available_externally dllimport ptr @"?ReferencingImportedDelete@@YAPAHXZ"
 USE(ReferencingImportedNew)
 USE(ReferencingImportedDelete)
 struct ClassWithDtor { ~ClassWithDtor() {} };
diff --git a/clang/test/CodeGenCXX/new.cpp b/clang/test/CodeGenCXX/new.cpp
index af22552..e278d9a 100644
--- a/clang/test/CodeGenCXX/new.cpp
+++ b/clang/test/CodeGenCXX/new.cpp
@@ -15,7 +15,7 @@ void t1() {
 }
 
 // CHECK: declare noundef nonnull ptr @_Znwm(i64 noundef) [[ATTR_NOBUILTIN:#[^ ]*]]
-// CHECK: declare void @_ZdlPvm(ptr noundef, i64 noundef) [[ATTR_NOBUILTIN_NOUNWIND:#[^ ]*]]
+// CHECK: declare void @_ZdlPv(ptr noundef) [[ATTR_NOBUILTIN_NOUNWIND:#[^ ]*]]
 // CHECK: declare noundef nonnull ptr @_Znam(i64 noundef) [[ATTR_NOBUILTIN]]
 // CHECK: declare void @_ZdaPv(ptr noundef) [[ATTR_NOBUILTIN_NOUNWIND]]
 
@@ -192,7 +192,7 @@ void f() {
   // CHECK: store i64 200
   delete[] new (nothrow) Alloc[10][20];
   // CHECK: call noalias noundef nonnull ptr @_Znwm
-  // CHECK: call void @_ZdlPvm(ptr noundef {{%.*}}, i64 noundef 1)
+  // CHECK: call void @_ZdlPv(ptr
   delete new bool;
   // CHECK: ret void
 }
@@ -317,7 +317,7 @@ namespace N3664 {
   void f() {
     // CHECK: call noalias noundef nonnull ptr @_Znwm(i64 noundef 4) [[ATTR_BUILTIN_NEW:#[^ ]*]]
     int *p = new int; // expected-note {{allocated with 'new' here}}
-    // CHECK: call void @_ZdlPvm({{.*}}) [[ATTR_BUILTIN_DELETE:#[^ ]*]]
+    // CHECK: call void @_ZdlPv({{.*}}) [[ATTR_BUILTIN_DELETE:#[^ ]*]]
     delete p;
 
     // CHECK: call noalias noundef nonnull ptr @_Znam(i64 noundef 12) [[ATTR_BUILTIN_NEW]]
diff --git a/clang/test/CodeGenCoroutines/coro-aligned-alloc-2.cpp b/clang/test/CodeGenCoroutines/coro-aligned-alloc-2.cpp
index ecf991a..a3ee964 100644
--- a/clang/test/CodeGenCoroutines/coro-aligned-alloc-2.cpp
+++ b/clang/test/CodeGenCoroutines/coro-aligned-alloc-2.cpp
@@ -1,7 +1,9 @@
 // Tests that the combination of -fcoro-aligned-allocation and -fsized-deallocation works well.
 // Test the compiler will chose sized deallocation correctly.
+// This is only enabled with `-fsized-deallocation` which is off by default.
 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -std=c++20 \
 // RUN:   -fcoro-aligned-allocation -S -emit-llvm %s -o - -disable-llvm-passes \
+// RUN:   -fsized-deallocation \
 // RUN:   | FileCheck %s
 
 #include "Inputs/coroutine.h"
diff --git a/clang/test/CodeGenCoroutines/coro-aligned-alloc.cpp b/clang/test/CodeGenCoroutines/coro-aligned-alloc.cpp
index b50d9f8..d14c3d3 100644
--- a/clang/test/CodeGenCoroutines/coro-aligned-alloc.cpp
+++ b/clang/test/CodeGenCoroutines/coro-aligned-alloc.cpp
@@ -26,9 +26,8 @@ struct task {
 // CHECK: %[[aligned_new:.+]] = call{{.*}}@_ZnwmSt11align_val_t({{.*}}%[[coro_size]],{{.*}}%[[coro_align]])
 
 // CHECK: coro.free:
-// CHECK: %[[coro_size_for_free:.+]] = call{{.*}}@llvm.coro.size
 // CHECK: %[[coro_align_for_free:.+]] = call{{.*}}@llvm.coro.align
-// CHECK: call void @_ZdlPvmSt11align_val_t({{.*}}%[[coro_size_for_free]],{{.*}}%[[coro_align_for_free]])
+// CHECK: call void @_ZdlPvSt11align_val_t({{.*}}[[coro_align_for_free]]
 
 task f() {
     co_return 43;
@@ -59,9 +58,8 @@ void *operator new(std::size_t, std::align_val_t, std::nothrow_t) noexcept;
 // CHECK: %[[aligned_new:.+]] = call{{.*}}@_ZnwmSt11align_val_tSt9nothrow_t({{.*}}%[[coro_size]],{{.*}}%[[coro_align]])
 
 // CHECK: coro.free:
-// CHECK: %[[coro_size_for_free:.+]] = call{{.*}}@llvm.coro.size
 // CHECK: %[[coro_align_for_free:.+]] = call{{.*}}@llvm.coro.align
-// CHECK: call void @_ZdlPvmSt11align_val_t({{.*}}%[[coro_size_for_free]],{{.*}}%[[coro_align_for_free]])
+// CHECK: call void @_ZdlPvSt11align_val_t({{.*}}[[coro_align_for_free]]
 
 task2 f2() {
     co_return 43;
diff --git a/clang/test/CodeGenCoroutines/coro-alloc.cpp b/clang/test/CodeGenCoroutines/coro-alloc.cpp
index 7b3be7e..d026a0d 100644
--- a/clang/test/CodeGenCoroutines/coro-alloc.cpp
+++ b/clang/test/CodeGenCoroutines/coro-alloc.cpp
@@ -70,8 +70,7 @@ extern "C" void f0(global_new_delete_tag) {
   // CHECK: br i1 %[[NeedDealloc]], label %[[FreeBB:.+]], label %[[Afterwards:.+]]
 
   // CHECK: [[FreeBB]]:
-  // CHECK: %[[SIZE:.+]] = call i64 @llvm.coro.size.i64()
-  // CHECK: call void @_ZdlPvm(ptr noundef %[[MEM]], i64 noundef %[[SIZE]])
+  // CHECK: call void @_ZdlPv(ptr noundef %[[MEM]])
   // CHECK: br label %[[Afterwards]]
 
   // CHECK: [[Afterwards]]:
@@ -100,8 +99,7 @@ extern "C" void f1(promise_new_tag ) {
 
   // CHECK: %[[FRAME:.+]] = call ptr @llvm.coro.begin(
   // CHECK: %[[MEM:.+]] = call ptr @llvm.coro.free(token %[[ID]], ptr %[[FRAME]])
-  // CHECK: %[[SIZE:.+]] = call i64 @llvm.coro.size.i64()
-  // CHECK: call void @_ZdlPvm(ptr noundef %[[MEM]], i64 noundef %[[SIZE]])
+  // CHECK: call void @_ZdlPv(ptr noundef %[[MEM]])
   co_return;
 }
 
diff --git a/clang/test/CodeGenCoroutines/coro-cleanup.cpp b/clang/test/CodeGenCoroutines/coro-cleanup.cpp
index 4e77ac2..98f1507 100644
--- a/clang/test/CodeGenCoroutines/coro-cleanup.cpp
+++ b/clang/test/CodeGenCoroutines/coro-cleanup.cpp
@@ -84,13 +84,11 @@ void f() {
   // CHECK: [[Cleanup]]:
   // CHECK: call void @_ZNSt16coroutine_traitsIJvEE12promise_typeD1Ev(
   // CHECK: %[[Mem0:.+]] = call ptr @llvm.coro.free(
-  // CHECK: %[[SIZE:.+]] = call i64 @llvm.coro.size.i64()
-  // CHECK: call void @_ZdlPvm(ptr noundef %[[Mem0]], i64 noundef %[[SIZE]])
+  // CHECK: call void @_ZdlPv(ptr noundef %[[Mem0]]
 
   // CHECK: [[Dealloc]]:
   // THROWEND:   %[[Mem:.+]] = call ptr @llvm.coro.free(
-  // THROWEND:   %[[SIZE:.+]] = call i64 @llvm.coro.size.i64()
-  // THROWEND:   call void @_ZdlPvm(ptr noundef %[[Mem]], i64 noundef %[[SIZE]])
+  // THROWEND:   call void @_ZdlPv(ptr noundef %[[Mem]])
 
   co_return;
 }
diff --git a/clang/test/CodeGenCoroutines/coro-dealloc.cpp b/clang/test/CodeGenCoroutines/coro-dealloc.cpp
index 656c9cb..1f7d04b 100644
--- a/clang/test/CodeGenCoroutines/coro-dealloc.cpp
+++ b/clang/test/CodeGenCoroutines/coro-dealloc.cpp
@@ -1,5 +1,6 @@
 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -std=c++20 \
 // RUN:   -S -emit-llvm %s -o - -disable-llvm-passes \
+// RUN:   -fsized-deallocation \
 // RUN:   | FileCheck %s
 
 #include "Inputs/coroutine.h"
@@ -20,6 +21,7 @@ struct task {
 };
 
 // Test the compiler will chose sized deallocation correctly.
+// This is only enabled with `-fsized-deallocation` which is off by default.
 void operator delete(void *ptr, std::size_t size) noexcept;
 
 // CHECK: define{{.*}}@_Z1fv
diff --git a/clang/test/CodeGenCoroutines/coro-gro.cpp b/clang/test/CodeGenCoroutines/coro-gro.cpp
index b621343..d4c3ff5 100644
--- a/clang/test/CodeGenCoroutines/coro-gro.cpp
+++ b/clang/test/CodeGenCoroutines/coro-gro.cpp
@@ -51,8 +51,7 @@ int f() {
 
   // CHECK: call void @_ZNSt16coroutine_traitsIiJEE12promise_typeD1Ev(
   // CHECK: %[[Mem:.+]] = call ptr @llvm.coro.free(
-  // CHECK: %[[SIZE:.+]] = call i64 @llvm.coro.size.i64()
-  // CHECK: call void @_ZdlPvm(ptr noundef %[[Mem]], i64 noundef %[[SIZE]])
+  // CHECK: call void @_ZdlPv(ptr noundef %[[Mem]])
 
   // Initialize retval from Gro and destroy Gro
   // Note this also tests delaying initialization when Gro and function return
diff --git a/clang/test/CodeGenCoroutines/pr56919.cpp b/clang/test/CodeGenCoroutines/pr56919.cpp
index baa8c27..c7de08e 100644
--- a/clang/test/CodeGenCoroutines/pr56919.cpp
+++ b/clang/test/CodeGenCoroutines/pr56919.cpp
@@ -111,15 +111,12 @@ Task<void> Bar() { co_await Baz(); }
 
 // CHECK: _Z3Quxv.destroy:{{.*}}
 // CHECK-NEXT: #
-// CHECK-NEXT: movl	$40, %esi
-// CHECK-NEXT: jmp	_ZdlPvm@PLT
+// CHECK-NEXT: jmp	_ZdlPv
 
 // CHECK: _Z3Bazv.destroy:{{.*}}
 // CHECK-NEXT: #
-// CHECK-NEXT: movl	$80, %esi
-// CHECK-NEXT: jmp	_ZdlPvm
+// CHECK-NEXT: jmp	_ZdlPv
 
 // CHECK: _Z3Barv.destroy:{{.*}}
 // CHECK-NEXT: #
-// CHECK-NEXT: movl	$120, %esi
-// CHECK-NEXT: jmp	_ZdlPvm
+// CHECK-NEXT: jmp	_ZdlPv
diff --git a/clang/test/Lexer/cxx-features.cpp b/clang/test/Lexer/cxx-features.cpp
index 738c319..baaa9d4 100644
--- a/clang/test/Lexer/cxx-features.cpp
+++ b/clang/test/Lexer/cxx-features.cpp
@@ -1,17 +1,17 @@
 // RUN: %clang_cc1 -std=c++98 -fcxx-exceptions -verify %s
 // RUN: %clang_cc1 -std=c++11 -fcxx-exceptions -verify %s
-// RUN: %clang_cc1 -std=c++14 -fcxx-exceptions -verify %s
-// RUN: %clang_cc1 -std=c++17 -fcxx-exceptions -verify %s
-// RUN: %clang_cc1 -std=c++20 -fcxx-exceptions -verify %s
-// RUN: %clang_cc1 -std=c++23 -fcxx-exceptions -verify %s
-// RUN: %clang_cc1 -std=c++2c -fcxx-exceptions -verify %s
+// RUN: %clang_cc1 -std=c++14 -fcxx-exceptions -fsized-deallocation -verify %s
+// RUN: %clang_cc1 -std=c++17 -fcxx-exceptions -fsized-deallocation -verify %s
+// RUN: %clang_cc1 -std=c++20 -fcxx-exceptions -fsized-deallocation -verify %s
+// RUN: %clang_cc1 -std=c++23 -fcxx-exceptions -fsized-deallocation -verify %s
+// RUN: %clang_cc1 -std=c++2c -fcxx-exceptions -fsized-deallocation -verify %s
 
 //
-// RUN: %clang_cc1 -std=c++17 -fcxx-exceptions -frelaxed-template-template-args -DRELAXED_TEMPLATE_TEMPLATE_ARGS=1 -verify %s
-// RUN: %clang_cc1 -std=c++17 -fcxx-exceptions -DCONCEPTS_TS=1 -verify %s
-// RUN: %clang_cc1 -std=c++14 -fno-rtti -fno-threadsafe-statics -verify %s -DNO_EXCEPTIONS -DNO_RTTI -DNO_THREADSAFE_STATICS
-// RUN: %clang_cc1 -std=c++14 -fchar8_t -DNO_EXCEPTIONS -DCHAR8_T -verify %s
-// RUN: %clang_cc1 -std=c++2a -fno-char8_t -DNO_EXCEPTIONS -DNO_CHAR8_T -verify %s
+// RUN: %clang_cc1 -std=c++17 -fcxx-exceptions -fsized-deallocation -frelaxed-template-template-args -DRELAXED_TEMPLATE_TEMPLATE_ARGS=1 -verify %s
+// RUN: %clang_cc1 -std=c++17 -fcxx-exceptions -fsized-deallocation -DCONCEPTS_TS=1 -verify %s
+// RUN: %clang_cc1 -std=c++14 -fno-rtti -fno-threadsafe-statics -verify %s -DNO_EXCEPTIONS -DNO_RTTI -DNO_THREADSAFE_STATICS -fsized-deallocation
+// RUN: %clang_cc1 -std=c++14 -fchar8_t -DNO_EXCEPTIONS -DCHAR8_T -verify -fsized-deallocation %s
+// RUN: %clang_cc1 -std=c++2a -fno-char8_t -DNO_EXCEPTIONS -DNO_CHAR8_T -verify -fsized-deallocation %s
 
 // expected-no-diagnostics
 
diff --git a/clang/test/PCH/cxx1z-aligned-alloc.cpp b/clang/test/PCH/cxx1z-aligned-alloc.cpp
index cccd628..c1becbd 100644
--- a/clang/test/PCH/cxx1z-aligned-alloc.cpp
+++ b/clang/test/PCH/cxx1z-aligned-alloc.cpp
@@ -1,12 +1,12 @@
 // No PCH:
-// RUN: %clang_cc1 -pedantic -std=c++1z -include %s -verify %s
+// RUN: %clang_cc1 -pedantic -fsized-deallocation -std=c++1z -include %s -verify %s
 //
 // With PCH:
-// RUN: %clang_cc1 -pedantic -std=c++1z -emit-pch %s -o %t
-// RUN: %clang_cc1 -pedantic -std=c++1z -include-pch %t -verify %s
+// RUN: %clang_cc1 -pedantic -fsized-deallocation -std=c++1z -emit-pch %s -o %t
+// RUN: %clang_cc1 -pedantic -fsized-deallocation -std=c++1z -include-pch %t -verify %s
 
-// RUN: %clang_cc1 -pedantic -std=c++1z -emit-pch -fpch-instantiate-templates %s -o %t
-// RUN: %clang_cc1 -pedantic -std=c++1z -include-pch %t -verify %s
+// RUN: %clang_cc1 -pedantic -fsized-deallocation -std=c++1z -emit-pch -fpch-instantiate-templates %s -o %t
+// RUN: %clang_cc1 -pedantic -fsized-deallocation -std=c++1z -include-pch %t -verify %s
 
 // expected-no-diagnostics
 
diff --git a/clang/test/SemaCXX/MicrosoftExtensions.cpp b/clang/test/SemaCXX/MicrosoftExtensions.cpp
index 98c1997..7286217 100644
--- a/clang/test/SemaCXX/MicrosoftExtensions.cpp
+++ b/clang/test/SemaCXX/MicrosoftExtensions.cpp
@@ -571,17 +571,11 @@ class PR34109_class {
   virtual ~PR34109_class() {}
 };
 
-#if !defined(__cpp_sized_deallocation)
 void operator delete(void *) throw();
 // expected-note@-1 {{previous declaration is here}}
 __declspec(dllexport) void operator delete(void *) throw();
 // expected-error@-1  {{redeclaration of 'operator delete' cannot add 'dllexport' attribute}}
-#else
-void operator delete(void *, unsigned int) throw();
-// expected-note@-1 {{previous declaration is here}}
-__declspec(dllexport) void operator delete(void *, unsigned int) throw();
-// expected-error@-1  {{redeclaration of 'operator delete' cannot add 'dllexport' attribute}}
-#endif
+
 void PR34109(int* a) {
   delete a;
 }
diff --git a/clang/test/SemaCXX/builtin-operator-new-delete.cpp b/clang/test/SemaCXX/builtin-operator-new-delete.cpp
index db15616..6fcff92 100644
--- a/clang/test/SemaCXX/builtin-operator-new-delete.cpp
+++ b/clang/test/SemaCXX/builtin-operator-new-delete.cpp
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -std=c++1z -fno-sized-deallocation -fsyntax-only -verify %s
+// RUN: %clang_cc1 -std=c++1z -fsyntax-only -verify %s
 // RUN: %clang_cc1 -std=c++03 -fsyntax-only -verify %s
 // RUN: %clang_cc1 -std=c++03 -faligned-allocation -fsyntax-only -verify %s
 // RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
diff --git a/clang/test/SemaCXX/cxx1y-sized-deallocation.cpp b/clang/test/SemaCXX/cxx1y-sized-deallocation.cpp
index 462f172..3ec65a6 100644
--- a/clang/test/SemaCXX/cxx1y-sized-deallocation.cpp
+++ b/clang/test/SemaCXX/cxx1y-sized-deallocation.cpp
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -std=c++1y -verify %s -fexceptions -fcxx-exceptions
+// RUN: %clang_cc1 -std=c++1y -verify %s -fsized-deallocation -fexceptions -fcxx-exceptions
 
 using size_t = decltype(sizeof(0));
 void operator delete(void *, size_t) noexcept;   // expected-note {{'operator delete' declared here}}
diff --git a/clang/test/SemaCXX/unavailable_aligned_allocation.cpp b/clang/test/SemaCXX/unavailable_aligned_allocation.cpp
index 45fdec6..be593ea 100644
--- a/clang/test/SemaCXX/unavailable_aligned_allocation.cpp
+++ b/clang/test/SemaCXX/unavailable_aligned_allocation.cpp
@@ -75,7 +75,7 @@ void testOveraligned() {
 // expected-error-re@-22 {{aligned deallocation function of type 'void (void *, enum std::align_val_t) noexcept' is {{only|not}} available on}}
 // expected-note@-23 {{if you supply your own aligned allocation functions}}
 
-// expected-error-re@-24 {{aligned deallocation function of type 'void (void *, std::size_t, std::align_val_t) noexcept' is {{only|not}} available on}}
+// expected-error-re@-24 {{aligned deallocation function of type 'void (void *, enum std::align_val_t) noexcept' is {{only|not}} available on}}
 // expected-note@-25 {{if you supply your own aligned allocation functions}}
 
 // expected-error-re@-26 {{aligned allocation function of type 'void *(std::size_t, std::align_val_t, const std::nothrow_t &) noexcept' is {{only|not}} available on}}
@@ -143,19 +143,19 @@ OveralignedS2::~OveralignedS2() {}
 // expected-no-diagnostics
 #else
 #if defined(IOS)
-// expected-error@-6 {{aligned deallocation function of type 'void (void *, std::size_t, std::align_val_t) noexcept' is only available on iOS 11 or newer}}}
+// expected-error@-6 {{aligned deallocation function of type 'void (void *, enum std::align_val_t) noexcept' is only available on iOS 11 or newer}}}
 // expected-note@-7 {{if you supply your own aligned allocation functions}}
 #elif defined(TVOS)
-// expected-error@-9 {{aligned deallocation function of type 'void (void *, std::size_t, std::align_val_t) noexcept' is only available on tvOS 11 or newer}}}
+// expected-error@-9 {{aligned deallocation function of type 'void (void *, enum std::align_val_t) noexcept' is only available on tvOS 11 or newer}}}
 // expected-note@-10 {{if you supply your own aligned allocation functions}}
 #elif defined(WATCHOS)
-// expected-error@-12 {{aligned deallocation function of type 'void (void *, std::size_t, std::align_val_t) noexcept' is only available on watchOS 4 or newer}}}
+// expected-error@-12 {{aligned deallocation function of type 'void (void *, enum std::align_val_t) noexcept' is only available on watchOS 4 or newer}}}
 // expected-note@-13 {{if you supply your own aligned allocation functions}}
 #elif defined(MACOS)
-// expected-error@-15 {{aligned deallocation function of type 'void (void *, std::size_t, std::align_val_t) noexcept' is only available on macOS 10.13 or newer}}}
+// expected-error@-15 {{aligned deallocation function of type 'void (void *, enum std::align_val_t) noexcept' is only available on macOS 10.13 or newer}}}
 // expected-note@-16 {{if you supply your own aligned allocation functions}}
 #elif defined(ZOS)
-// expected-error@-18 {{aligned deallocation function of type 'void (void *, std::size_t, std::align_val_t) noexcept' is not available on z/OS}}}
+// expected-error@-18 {{aligned deallocation function of type 'void (void *, enum std::align_val_t) noexcept' is not available on z/OS}}}
 // expected-note@-19 {{if you supply your own aligned allocation functions}}
 #endif
 #endif
@@ -209,9 +209,6 @@ void *operator new(std::size_t __sz, std::align_val_t) {
 void operator delete(void *p, std::align_val_t) {
 }
 
-void operator delete(void *p, std::size_t __sz, std::align_val_t) {
-}
-
 void testOveraligned2() {
   auto p = new ((std::align_val_t)8) OveralignedS;
   delete p;