Created attachment 100230 [details]
fragment shader

After compiling the attached shader and making it current, calling glClear()
causes the process to crash with this error:

    LLVM ERROR: Cannot select: 0x314a010: v16f32 = bitcast 0x3185250 [ORD=347]
[ID=224]
      0x3185250: v16i32 = BUILD_VECTOR 0x3153680, 0x3153780, 0x3153880,
0x3153980, 0x3187b70, 0x3187970, 0x3097a00, 0x3097800, 0x3097600, 0x3097400,
0x3097200, 0x3097000, 0x3096e00, 0x3096c00, 0x3185550, 0x314b520 [ORD=347]
[ID=222]
        ... <snip> ...

(full error attached)

I'm using the latest git version (3fc72f2ec601cb758d69cf2933dd6268d1a80c5b).