Reset link_map map in the constructor

Change-Id: I8a6ad3bc0fca790dec2992cacf9288068b3bcaa3

runtime/hsa-runtime/loader/executable.cpp

@@ -188,6 +188,10 @@ static void RemoveCodeObjectInfoFromDebugMap(link_map* map) {
   if (r_debug_tail == map) {
       r_debug_tail = map->l_prev;
   }
+  if (_amdgpu_r_debug.r_map == map) {
+      _amdgpu_r_debug.r_map = map->l_next;
+  }
+
   if (map->l_prev) {
       map->l_prev->l_next = map->l_next;
   }
@@ -196,6 +200,7 @@ static void RemoveCodeObjectInfoFromDebugMap(link_map* map) {
   }
 
   delete map->l_name;
+  memset(map, 0, sizeof(link_map));
 }
 
 hsa_status_t AmdHsaCodeLoader::FreezeExecutable(Executable *executable, const char *options) {

runtime/hsa-runtime/loader/executable.hpp

@@ -54,6 +54,7 @@
 #include <unordered_map>
 #include <utility>
 #include <vector>
+#include <cstring>
 #include "hsa.h"
 #include "hsa_ext_image.h"
 #include "amd_hsa_loader.hpp"
@@ -295,7 +296,9 @@ private:
 
 public:
   LoadedCodeObjectImpl(ExecutableImpl *owner_, hsa_agent_t agent_, const void *elf_data_, size_t elf_size_)
-    : ExecutableObject(owner_, agent_), elf_data(elf_data_), elf_size(elf_size_) {}
+    : ExecutableObject(owner_, agent_), elf_data(elf_data_), elf_size(elf_size_) {
+      memset(&r_debug_info, 0, sizeof(r_debug_info));
+    }
 
   const void* ElfData() const { return elf_data; }
   size_t ElfSize() const { return elf_size; }