libvpx: Pull from upstream

source/libvpx/build/make/obj_int_extract.c

 /*
  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 648 matching lines @@
     // log_msg("COFF: Parsing section %s\n",sectionname);
 
     sectionlist[i] = malloc(strlen(sectionname) + 1);
 
     if (sectionlist[i] == NULL) {
       log_msg("Allocating storage for %s failed\n", sectionname);
       goto bail;
     }
     strcpy(sectionlist[i], sectionname);
 
-    if (!strcmp(sectionname, ".rdata")) sectionrawdata_ptr = get_le32(ptr + 20);
+    // check if it's .rdata and is not a COMDAT section.
+    if (!strcmp(sectionname, ".rdata") &&
+        (get_le32(ptr + 36) & 0x1000) == 0) {
+      sectionrawdata_ptr = get_le32(ptr + 20);
+    }
 
     ptr += 40;
   }
 
   // log_msg("COFF: Symbol table at offset %u\n", symtab_ptr);
   // log_msg("COFF: raw data pointer ofset for section .rdata is %u\n", sectionrawdata_ptr);
 
   /*  The compiler puts the data with non-zero offset in .rdata section, but puts the data with
       zero offset in .bss section. So, if the data in in .bss section, set offset=0.
       Note from Wiki: In an object module compiled from C, the bss section contains
@@ skipping 152 matching lines @@
 #endif
 
   free(file_buf);
 
   if (!res)
     return EXIT_SUCCESS;
 
 bail:
   return EXIT_FAILURE;
 }