Index: lib/sanitizer_common/sanitizer_win.cc
===================================================================
--- lib/sanitizer_common/sanitizer_win.cc
+++ lib/sanitizer_common/sanitizer_win.cc
@@ -735,6 +735,8 @@
   STACKFRAME64 stack_frame;
   memset(&stack_frame, 0, sizeof(stack_frame));
 
+  InitializeDbgHelpIfNeeded();
+
   size = 0;
 #if defined(_WIN64)
   int machine_type = IMAGE_FILE_MACHINE_AMD64;
Index: test/asan/TestCases/Windows/report_after_syminitialize.cc
===================================================================
--- test/asan/TestCases/Windows/report_after_syminitialize.cc
+++ test/asan/TestCases/Windows/report_after_syminitialize.cc
@@ -16,8 +16,8 @@
   // CHECK: ERROR: AddressSanitizer: access-violation on unknown address
   // CHECK: The signal is caused by a WRITE memory access.
   // CHECK: Hint: address points to the zero page.
-  // CHECK-NEXT: {{WARNING: Failed to use and restart external symbolizer}}
-  // CHECK-NEXT: {{WARNING: .*DbgHelp}}
+  // CHECK: {{WARNING: .*DbgHelp}}
+  // CHECK: {{WARNING: Failed to use and restart external symbolizer}}
   // CHECK: {{#0 0x.* in main.*report_after_syminitialize.cc:}}[[@LINE-6]]
   // CHECK: AddressSanitizer can not provide additional info.
 }