message: Handle miscompiled SPIR-V
  * Someone encountered miscompiled SPIR-V such that 1.1, 2.2 etc were compiled to
  1.0, 2.0. I couldn't reproduce it and I don't know how glslang would
  miscompile, but this workaround is at least safe to apply.
diff: @@ -288,6 +288,8 @@ void VulkanDebugManager::PatchFixedColShader(VkShaderModule &mod, float col[4])
  alias.spirv = &spv[0];
  size_t spirvLength = spv.size();
  + int patched = 0;
  +
  size_t it = 5;
  while(it < spirvLength)
  {
  @@ -296,13 +298,13 @@ void VulkanDebugManager::PatchFixedColShader(VkShaderModule &mod, float col[4])
  if(opcode == spv::OpConstant)
  {
  - if(alias.data[it + 3] == 1.1f)
  + if(alias.data[it + 3] >= 1.0f && alias.data[it + 3] <= 1.5f)
  alias.data[it + 3] = col[0];
  - else if(alias.data[it + 3] == 2.2f)
  + else if(alias.data[it + 3] >= 2.0f && alias.data[it + 3] <= 2.5f)
  alias.data[it + 3] = col[1];
  - else if(alias.data[it + 3] == 3.3f)
  + else if(alias.data[it + 3] >= 3.0f && alias.data[it + 3] <= 3.5f)
  alias.data[it + 3] = col[2];
  - else if(alias.data[it + 3] == 4.4f)
  + else if(alias.data[it + 3] >= 4.0f && alias.data[it + 3] <= 4.5f)
  alias.data[it + 3] = col[3];
  else
  RDCERR("Unexpected constant value");
  @@ -311,6 +313,9 @@ void VulkanDebugManager::PatchFixedColShader(VkShaderModule &mod, float col[4])
  it += WordCount;
  }
  + if(patched != 4)
  + RDCERR("Didn't patch all constants");
  +
  VkShaderModuleCreateInfo modinfo = {
  VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO,
  NULL,
  