i965/fs: Silence uninitialized variable warning.
The compiler isn't privy to the knowledge that we're doing at least one
framebuffer write.
Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
index e941c58..983e8db 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -2601,6 +2601,7 @@
write->header_present = false;
write->mlen = 1;
} else {
+ assume(key->nr_color_regions > 0);
for (int i = 0; i < key->nr_color_regions; ++i) {
write = emit(FS_OPCODE_REP_FB_WRITE);
write->saturate = key->clamp_fragment_color;