Added an initialization that WAS needed.

Author: obilaniu

src/gpuarray_reduction.c

@@ -2599,6 +2599,12 @@ static void       reduxGenSrcAppendDecode       (GpuReduction*     gr){
 			"    TK1* restrict const W1R     = &W1[GDIM_0*D];\n"
 			"    TK1* restrict const SHMEMK1 = (TK1*)(SHMEM + SHMEMK1Off);\n");
 		}
+		srcbAppends(&gr->srcGen,
+		"    INITREDUXSTATE(SHMEMK0[LID_0], SHMEMK1[LID_0]);\n"
+		"    if(D<LDIM_0 && LID_0+LDIM_0<H){\n"
+		"        INITREDUXSTATE(SHMEMK0[LID_0+LDIM_0], SHMEMK1[LID_0+LDIM_0]);\n"
+		"    }\n"
+		"    local_barrier();\n");
 	}
 
 
@@ -3502,9 +3508,7 @@ static int         reduxInvInferProperties        (redux_ctx*  ctx){
 	}
 
 
-	return ctx->flags & 0                ? //FIXME: Delete this hack after debugging.
-	       reduxInvFlattenSource    (ctx):
-	       reduxInvComputeKernelArgs(ctx);
+	return reduxInvFlattenSource(ctx);
 }
 
 /**