Fix minor defects

Signed-off-by: HyukWoo Park <[email protected]>

src/jit/Backend.cpp

@@ -215,6 +215,7 @@ class SlowCase {
 
 CompileContext::CompileContext(Module* module, JITCompiler* compiler)
     : compiler(compiler)
+    , branchTableOffset(0)
 #if (defined SLJIT_CONFIG_X86 && SLJIT_CONFIG_X86)
     , shuffleOffset(0)
 #endif /* SLJIT_CONFIG_X86 */
@@ -1013,6 +1014,8 @@ JITCompiler::JITCompiler(Module* module, uint32_t JITFlags)
     , m_tryBlockOffset(0)
     , m_JITFlags(JITFlags)
     , m_options(0)
+    , m_savedIntegerRegCount(0)
+    , m_savedFloatRegCount(0)
 {
     if (module->m_jitModule != nullptr) {
         ASSERT(module->m_jitModule->m_instanceConstData != nullptr);

src/jit/Compiler.h

@@ -342,6 +342,7 @@ class ExtendedInstruction : public Instruction {
         : Instruction(byteCode, group, opcode, paramCount, operands)
     {
         ASSERT(group == Instruction::DirectBranch || group == Instruction::Call || group == Instruction::StackInit);
+        m_value.targetLabel = nullptr;
     }
 
 private:
@@ -489,6 +490,7 @@ struct TryBlock {
     TryBlock(Label* start, size_t size)
         : start(start)
         , parent(0)
+        , findHandlerLabel(nullptr)
         , returnToLabel(nullptr)
     {
         catchBlocks.reserve(size);

src/jit/FloatMathInl.h

@@ -308,7 +308,7 @@ static void emitFloatUnary(sljit_compiler* compiler, Instruction* instr)
         f32Func = floatNearest;
         break;
     case ByteCode::F32SqrtOpcode:
-        f32Func = sqrt;
+        f32Func = sqrtf;
         break;
     case ByteCode::F32NegOpcode:
         opcode = SLJIT_NEG_F32;

src/runtime/Memory.h

@@ -36,6 +36,13 @@ class Memory : public Extern {
 
     // Caching memory target for fast access.
     struct TargetBuffer {
+        TargetBuffer()
+            : prev(nullptr)
+            , sizeInByte(0)
+            , buffer(nullptr)
+        {
+        }
+
         TargetBuffer* prev;
         uint64_t sizeInByte;
         uint8_t* buffer;