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Bug 4062

Summary: Lot of "shadowed declaration" warnings in yuv_rgb_sse_func.h
Product: SDL Reporter: Vitaly Novichkov <admin>
Component: videoAssignee: Ryan C. Gordon <icculus>
Status: RESOLVED FIXED QA Contact: Sam Lantinga <slouken>
Severity: normal    
Priority: P2 CC: icculus
Version: HG 2.1   
Hardware: All   
OS: All   

Description Vitaly Novichkov 2018-01-22 15:10:09 UTC 
Warnings are happen on many platforms (Linux GCC, Windows MinGW, and macOS CLang)

https://semaphoreci.com/wohlstand/sdl-mixer-x/branches/master/builds/30
https://ci.appveyor.com/project/Wohlstand/sdl-mixer-x/build/job/3jx3oj7xwk12f6q1
https://travis-ci.org/WohlSoft/SDL-Mixer-X/jobs/331386156

```
In file included from /home/runner/SDL-Mixer-X/build-debug/external/AudioCodecs/src/AudioCodecs-build/external/SDL2/src/SDL2HG/src/video/yuv2rgb/yuv_rgb.c:464:0:
/home/runner/SDL-Mixer-X/build-debug/external/AudioCodecs/src/AudioCodecs-build/external/SDL2/src/SDL2HG/src/video/yuv2rgb/yuv_rgb_sse_func.h: In function ‘yuvnv12_argb_sseu’:
/home/runner/SDL-Mixer-X/build-debug/external/AudioCodecs/src/AudioCodecs-build/external/SDL2/src/SDL2HG/src/video/yuv2rgb/yuv_rgb_sse_func.h:309:10: warning: declaration of ‘y’ shadows a previous local [-Wshadow]
  __m128i y, u, v, u_16, v_16; \
          ^
/home/runner/SDL-Mixer-X/build-debug/external/AudioCodecs/src/AudioCodecs-build/external/SDL2/src/SDL2HG/src/video/yuv2rgb/yuv_rgb_sse_func.h:432:5: note: in expansion of macro ‘YUV2RGB_32’
     YUV2RGB_32
     ^
/home/runner/SDL-Mixer-X/build-debug/external/AudioCodecs/src/AudioCodecs-build/external/SDL2/src/SDL2HG/src/video/yuv2rgb/yuv_rgb_sse_func.h:419:15: warning: shadowed declaration is here [-Wshadow]
   uint32_t x, y;
               ^
```

I'll try to fix those warnings by myself if you will don't fix that faster than me.
Comment 1 Ryan C. Gordon 2018-02-18 01:12:29 UTC 
This should be fixed in https://hg.libsdl.org/SDL/rev/c3a05f3b1f8b, but let me know if I missed any.

--ryan.
Comment 2 Ryan C. Gordon 2018-02-18 01:21:22 UTC 
Whoops, way too fast on the commit: https://hg.libsdl.org/SDL/rev/65634e8189f0 fixes the build.

--ryan.
Comment 3 Vitaly Novichkov 2018-02-18 20:45:25 UTC 
Thanks!
Warnings now finally gone! :-D