[PATCH] d3dcompiler: Add an assert checking for writemask sanity in debug_writemask().

[Matteo Bruni]

Signed-off-by: Matteo Bruni <mbruni(a)codeweavers.com>
---
 dlls/d3dcompiler_43/utils.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/dlls/d3dcompiler_43/utils.c b/dlls/d3dcompiler_43/utils.c
index 5499b8ccdb1..b872e34d935 100644
--- a/dlls/d3dcompiler_43/utils.c
+++ b/dlls/d3dcompiler_43/utils.c
@@ -2142,6 +2142,8 @@ static const char *debug_writemask(DWORD writemask)
     char string[5];
     unsigned int i = 0, pos = 0;
 
+    assert(!(writemask & ~BWRITERSP_WRITEMASK_ALL));
+
     while (writemask)
     {
         if (writemask & 1)
-- 
2.18.1