Appease ASAN in Mesa 9.0.3

third_party/mesa/src/mesa/program/prog_parameter.c

 /*
  * Mesa 3-D graphics library
  * Version:  7.3
  *
  * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
  * to deal in the Software without restriction, including without limitation
  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
@@ skipping 140 matching lines @@
              sz4 * sizeof(struct gl_program_parameter));
 
       for (i = 0; i < sz4; i++) {
          struct gl_program_parameter *p = paramList->Parameters + oldNum + i;
          p->Name = name ? _mesa_strdup(name) : NULL;
          p->Type = type;
          p->Size = size;
          p->DataType = datatype;
          p->Flags = flags;
          if (values) {
-            COPY_4V(paramList->ParameterValues[oldNum + i], values);
+            if (size >= (i+1)*4) {
+               COPY_4V(paramList->ParameterValues[oldNum + i], values);
+            } else {
+               /* silence asan */
+               for (j = 0; j < 4; j++) {
+                  if (i*4+j < size) {
+                     paramList->ParameterValues[oldNum + i][j] = values[i*4+j];
+                  } else {
+                     paramList->ParameterValues[oldNum + i][j].f = 0.0f;
+                  }
+               }
+            }
             values += 4;
             p->Initialized = GL_TRUE;
          }
          else {
             /* silence valgrind */
             for (j = 0; j < 4; j++)
                 paramList->ParameterValues[oldNum + i][j].f = 0;
          }
          size -= 4;
       }
@@ skipping 477 matching lines @@
 {
    GLuint i, count = 0;
    if (list) {
       for (i = 0; i < list->NumParameters; i++) {
          if (list->Parameters[i].Type == type)
             count++;
       }
    }
    return count;
 }