修正了 TPC 的一些错误，包括 Test 维护后 TPV 无法重新编译或重编译后越界的部分问题

heapvalidate_test.c

@@ -0,0 +1,33 @@
+#include <malloc.h>
+#include <stdio.h>
+#include <windows.h>
+
+int main() {
+    HANDLE h = GetProcessHeap();
+    printf("process heap handle: %p\n", h);
+    fflush(stdout);
+
+    /* validate before any alloc */
+    BOOL v0 = HeapValidate(h, 0, NULL);
+    printf("before alloc: HeapValidate=%d\n", v0);
+    fflush(stdout);
+
+    void *p = malloc(1024);
+    BOOL v1 = HeapValidate(h, 0, NULL);
+    printf("after malloc(1024): HeapValidate=%d (p=%p)\n", v1, p);
+    fflush(stdout);
+
+    /* intentionally overflow */
+    memset((char*)p + 1024, 0xCC, 64);
+
+    BOOL v2 = HeapValidate(h, 0, NULL);
+    printf("after overflow: HeapValidate=%d\n", v2);
+    fflush(stdout);
+
+    /* try to trigger detection via free */
+    free(p);
+    BOOL v3 = HeapValidate(h, 0, NULL);
+    printf("after free: HeapValidate=%d\n", v3);
+    fflush(stdout);
+    return 0;
+}