Fixed bug in PodVectorTmp<> implementation and added a test-case for it.

README.md

@@ -4,8 +4,9 @@ AsmJit
 Complete x86/x64 JIT and Remote Assembler for C++.
 
   * [Official Repository (kobalicek/asmjit)](https://github.com/kobalicek/asmjit)
-  * [Official Chat (Gitter)](https://gitter.im/kobalicek/asmjit)
-  * [Zlib Licensed](http://www.opensource.org/licenses/zlib-license.php)
+  * [Official Blog (asmbits)] (https://asmbits.blogspot.com/ncr)
+  * [Official Chat (gitter)](https://gitter.im/kobalicek/asmjit)
+  * [Permissive ZLIB license](./LICENSE.md)
 
 Introduction
 ------------

src/asmjit/base/podvector.cpp

@@ -109,9 +109,9 @@ Error PodVectorBase::_reserve(size_t n, size_t sizeOfT) noexcept {
       if (ASMJIT_UNLIKELY(d == nullptr))
         return kErrorNoHeapMemory;
 
-      size_t len = d->length;
+      size_t len = oldD->length;
       d->length = len;
-      ::memcpy(d, oldD->getData(), len * sizeOfT);
+      ::memcpy(d->getData(), oldD->getData(), len * sizeOfT);
     }
     else {
       d = static_cast<Data*>(ASMJIT_REALLOC(d, nBytes));

src/test/asmjit_test_x86.cpp

@@ -216,6 +216,46 @@ struct X86Test_JumpCross : public X86Test {
   }
 };
 
+// ============================================================================
+// [X86Test_JumpMany]
+// ============================================================================
+
+struct X86Test_JumpMany : public X86Test {
+  X86Test_JumpMany() : X86Test("[Misc] Jump Many") {}
+
+  static void add(PodVector<X86Test*>& tests) {
+    tests.append(new X86Test_JumpMany());
+  }
+
+  virtual void compile(X86Compiler& c) {
+    c.addFunc(FuncBuilder0<int>(kCallConvHost));
+    for (uint32_t i = 0; i < 1000; i++) {
+      Label L = c.newLabel();
+      c.jmp(L);
+      c.bind(L);
+    }
+
+    X86GpVar ret = c.newInt32("ret");
+    c.xor_(ret, ret);
+    c.ret(ret);
+    c.endFunc();
+  }
+
+  virtual bool run(void* _func, StringBuilder& result, StringBuilder& expect) {
+    typedef int (*Func)(void);
+
+    Func func = asmjit_cast<Func>(_func);
+
+    int resultRet = func();
+    int expectRet = 0;
+
+    result.setFormat("ret={%d}", resultRet);
+    expect.setFormat("ret={%d}", expectRet);
+
+    return resultRet == expectRet;
+  }
+};
+
 // ============================================================================
 // [X86Test_JumpUnreachable1]
 // ============================================================================
@@ -2869,6 +2909,7 @@ X86TestSuite::X86TestSuite() :
 
   // Jump.
   ADD_TEST(X86Test_JumpCross);
+  ADD_TEST(X86Test_JumpMany);
   ADD_TEST(X86Test_JumpUnreachable1);
   ADD_TEST(X86Test_JumpUnreachable2);