Mesa (master): ac: silence a warning

[Marek Olšák]

Module: Mesa
Branch: master
Commit: 94d800bfa364601faee73826c941015e2f15ae05
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=94d800bfa364601faee73826c941015e2f15ae05

Author: Marek Olšák <marek.olsak at amd.com>
Date:   Wed Oct  4 16:59:40 2017 +0200

ac: silence a warning

---

 src/amd/common/ac_llvm_build.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/amd/common/ac_llvm_build.c b/src/amd/common/ac_llvm_build.c
index 51fb009be8..46153a0c39 100644
--- a/src/amd/common/ac_llvm_build.c
+++ b/src/amd/common/ac_llvm_build.c
@@ -1048,7 +1048,7 @@ ac_build_ddxy(struct ac_llvm_context *ctx,
 					  AC_FUNC_ATTR_READNONE |
 					  AC_FUNC_ATTR_CONVERGENT);
 	} else {
-		uint32_t masks[2];
+		uint32_t masks[2] = {};
 
 		switch (mask) {
 		case AC_TID_MASK_TOP_LEFT:
@@ -1067,6 +1067,8 @@ ac_build_ddxy(struct ac_llvm_context *ctx,
 			masks[0] = 0x80a0;
 			masks[1] = 0x80f5;
 			break;
+		default:
+			assert(0);
 		}
 
 		args[0] = val;