Fix minor build errors for clang compiler

Signed-off-by: HyukWoo Park <hyukwoo.park@samsung.com>

build/target.cmake

@@ -60,10 +60,14 @@ ELSEIF (${CMAKE_CXX_COMPILER_ID} STREQUAL "Clang")
         -fvisibility=hidden
         -fno-fast-math -fno-unsafe-math-optimizations -fdenormal-fp-math=ieee
         -Wno-type-limits -Wno-unused-result -Wno-unused-variable -Wno-invalid-offsetof -Wno-unused-function
-        -Wno-deprecated-declarations -Wno-unsupported-floating-point-opt -Wno-parentheses-equality -Wno-dynamic-class-memaccess -Wno-deprecated-register
+        -Wno-deprecated-declarations -Wno-parentheses-equality -Wno-dynamic-class-memaccess -Wno-deprecated-register
         -Wno-expansion-to-defined -Wno-return-type -Wno-overloaded-virtual -Wno-unused-private-field -Wno-deprecated-copy -Wno-atomic-alignment
         -Wno-ambiguous-reversed-operator -Wno-deprecated-enum-enum-conversion -Wno-deprecated-enum-float-conversion -Wno-braced-scalar-init -Wno-unused-parameter
     )
+    IF (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 10)
+        # this feature supported after clang version 11
+        SET (ESCARGOT_CXXFLAGS ${ESCARGOT_CXXFLAGS} -Wno-unsupported-floating-point-opt)
+    endif()
     SET (ESCARGOT_CXXFLAGS_DEBUG -O0 -Wall -Wextra -Werror)
     SET (ESCARGOT_CXXFLAGS_RELEASE -O2 -fno-stack-protector -fno-omit-frame-pointer)
     SET (ESCARGOT_THIRDPARTY_CFLAGS -w -g3 -fdata-sections -ffunction-sections -fno-omit-frame-pointer -fvisibility=hidden)

src/runtime/BooleanObject.h

@@ -39,7 +39,7 @@ public:
         m_primitiveValue = val;
     }
 
-    virtual bool isBooleanObject() const
+    virtual bool isBooleanObject() const override
     {
         return true;
     }

src/runtime/DateObject.h

@@ -76,7 +76,7 @@ public:
         return IS_VALID_TIME(m_primitiveValue);
     }
 
-    virtual bool isDateObject() const
+    virtual bool isDateObject() const override
     {
         return true;
     }

src/runtime/ErrorObject.h

@@ -174,7 +174,7 @@ public:
     ErrorObject(ExecutionState& state, Object* proto, String* errorMessage, bool fillStackInfo = true, bool triggerCallback = false);
     void updateStackTraceData(ExecutionState& state);
 
-    virtual bool isErrorObject() const
+    virtual bool isErrorObject() const override
     {
         return true;
     }

src/runtime/ExtendedNativeFunctionObject.h

@@ -26,7 +26,7 @@ namespace Escargot {
 
 class ExtendedNativeFunctionObject : public NativeFunctionObject {
 public:
-    virtual bool isExtendedNativeFunctionObject() const
+    virtual bool isExtendedNativeFunctionObject() const override
     {
         return true;
     }

src/runtime/FinalizationRegistryObject.h

@@ -54,7 +54,7 @@ public:
     explicit FinalizationRegistryObject(ExecutionState& state, Object* cleanupCallback, Context* realm);
     explicit FinalizationRegistryObject(ExecutionState& state, Object* proto, Object* cleanupCallback, Context* realm);
 
-    virtual bool isFinalizationRegistryObject() const
+    virtual bool isFinalizationRegistryObject() const override
     {
         return true;
     }

src/runtime/IteratorObject.h

@@ -55,7 +55,7 @@ public:
     explicit IteratorObject(ExecutionState& state);
     explicit IteratorObject(ExecutionState& state, Object* proto);
 
-    virtual bool isIteratorObject() const
+    virtual bool isIteratorObject() const override
     {
         return true;
     }

src/runtime/NumberObject.h

@@ -42,7 +42,7 @@ public:
         m_primitiveValue = data;
     }
 
-    virtual bool isNumberObject() const
+    virtual bool isNumberObject() const override
     {
         return true;
     }

src/runtime/Object.h

@@ -296,7 +296,7 @@ public:
         ASSERT(setter.isEmpty() || setter.isCallable() || setter.isUndefined());
     }
 
-    virtual bool isJSGetterSetter() const
+    virtual bool isJSGetterSetter() const override
     {
         return true;
     }

src/runtime/PromiseObject.h

@@ -103,7 +103,7 @@ public:
     explicit PromiseObject(ExecutionState& state);
     explicit PromiseObject(ExecutionState& state, Object* proto);
 
-    virtual bool isPromiseObject() const
+    virtual bool isPromiseObject() const override
     {
         return true;
     }

src/runtime/TypedArrayObject.h

@@ -44,7 +44,7 @@ public:
     {
     }
 
-    virtual bool isTypedArrayPrototypeObject() const
+    virtual bool isTypedArrayPrototypeObject() const override
     {
         return true;
     }

src/runtime/WeakMapObject.h

@@ -39,7 +39,7 @@ public:
     explicit WeakMapObject(ExecutionState& state);
     explicit WeakMapObject(ExecutionState& state, Object* proto);
 
-    virtual bool isWeakMapObject() const
+    virtual bool isWeakMapObject() const override
     {
         return true;
     }

src/runtime/WeakRefObject.h

@@ -32,7 +32,7 @@ public:
     explicit WeakRefObject(ExecutionState& state, PointerValue* target);
     explicit WeakRefObject(ExecutionState& state, Object* proto, PointerValue* target);
 
-    virtual bool isWeakRefObject() const
+    virtual bool isWeakRefObject() const override
     {
         return true;
     }

src/runtime/WeakSetObject.h

@@ -31,7 +31,7 @@ public:
     explicit WeakSetObject(ExecutionState& state);
     explicit WeakSetObject(ExecutionState& state, Object* proto);
 
-    virtual bool isWeakSetObject() const
+    virtual bool isWeakSetObject() const override
     {
         return true;
     }

third_party/walrus

@@ -1 +1 @@
-Subproject commit 7800a31eacf47663cdf21c299ae6e6d4d7550af8
+Subproject commit 75dc3e4eb8ba92a1b064a8b7322be0faaf9d7d68