diff --git a/fail_db.txt b/fail_db.txt
index 2aa047cb..4fc52eda 100644
--- a/fail_db.txt
+++ b/fail_db.txt
@@ -171,11 +171,13 @@
 ./tests/soa-18.ispc runfail  x86-64 knc-generic   Linux LLVM 3.6   icpc13.1 -O0 *
 ./tests/soa-18.ispc runfail  x86-64 knc-generic   Linux LLVM 3.7   icpc13.1 -O0 *
 ./tests/soa-18.ispc runfail  x86-64 knc-generic   Linux LLVM 3.8   icpc13.1 -O0 *
+./tests/soa-18.ispc runfail  x86-64 knc-generic   Linux LLVM 3.9   icpc13.1 -O0 *
 ./tests/soa-18.ispc runfail  x86-64 knc-generic   Linux LLVM 3.4   icpc16.0 -O0 *
 ./tests/soa-18.ispc runfail  x86-64 knc-generic   Linux LLVM 3.5   icpc16.0 -O0 *
 ./tests/soa-18.ispc runfail  x86-64 knc-generic   Linux LLVM 3.6   icpc16.0 -O0 *
 ./tests/soa-18.ispc runfail  x86-64 knc-generic   Linux LLVM 3.7   icpc16.0 -O0 *
 ./tests/soa-18.ispc runfail  x86-64 knc-generic   Linux LLVM 3.8   icpc16.0 -O0 *
+./tests/soa-18.ispc runfail  x86-64 knc-generic   Linux LLVM 3.9   icpc16.0 -O0 *
 % End of KNC-generic vec16-i64 memory layout bugs
 
 % [AVX-512]: These are yet untracked
@@ -231,7 +233,6 @@
 ./tests/reduce-min-int64.ispc compfail     x86 avx512knl-i32x16   Linux LLVM 3.8   icpc15.0 -O2 *
 ./tests/reduce-min-uint64.ispc compfail     x86 avx512knl-i32x16   Linux LLVM 3.8   icpc15.0 -O0 *
 ./tests/reduce-min-uint64.ispc compfail     x86 avx512knl-i32x16   Linux LLVM 3.8   icpc15.0 -O2 *
-./tests/foreach-active-5.ispc compfail     x86 avx512knl-i32x16   Linux LLVM 3.8   icpc15.0 -O2 *
 ./tests/idiv.ispc compfail     x86 avx512knl-i32x16   Linux LLVM 3.8   icpc15.0 -O0 *
 ./tests/idiv.ispc compfail     x86 avx512knl-i32x16   Linux LLVM 3.8   icpc15.0 -O2 *
 ./tests/paddus_i64.ispc compfail     x86 avx512knl-i32x16   Linux LLVM 3.8   icpc15.0 -O0 *
@@ -241,7 +242,6 @@
 ./tests/pmuls_vi64.ispc compfail     x86 avx512knl-i32x16   Linux LLVM 3.8   icpc15.0 -O0 *
 ./tests/pmuls_vi64.ispc compfail     x86 avx512knl-i32x16   Linux LLVM 3.8   icpc15.0 -O2 *
 ./tests/pmulus_i64.ispc compfail     x86 avx512knl-i32x16   Linux LLVM 3.8   icpc15.0 -O0 *
-./tests/pmulus_i64.ispc compfail     x86 avx512knl-i32x16   Linux LLVM 3.8   icpc15.0 -O2 *
 ./tests/pmulus_vi64.ispc compfail     x86 avx512knl-i32x16   Linux LLVM 3.8   icpc15.0 -O0 *
 ./tests/pmulus_vi64.ispc compfail     x86 avx512knl-i32x16   Linux LLVM 3.8   icpc15.0 -O2 *
 
@@ -253,7 +253,6 @@
 ./tests/reduce-min-int64.ispc compfail     x86 avx512knl-i32x16   Linux LLVM 3.8   clang++3.4 -O2 *
 ./tests/reduce-min-uint64.ispc compfail     x86 avx512knl-i32x16   Linux LLVM 3.8   clang++3.4 -O0 *
 ./tests/reduce-min-uint64.ispc compfail     x86 avx512knl-i32x16   Linux LLVM 3.8   clang++3.4 -O2 *
-./tests/foreach-active-5.ispc compfail     x86 avx512knl-i32x16   Linux LLVM 3.8   clang++3.4 -O2 *
 ./tests/idiv.ispc compfail     x86 avx512knl-i32x16   Linux LLVM 3.8   clang++3.4 -O0 *
 ./tests/idiv.ispc compfail     x86 avx512knl-i32x16   Linux LLVM 3.8   clang++3.4 -O2 *
 ./tests/paddus_i64.ispc compfail     x86 avx512knl-i32x16   Linux LLVM 3.8   clang++3.4 -O0 *
@@ -263,7 +262,6 @@
 ./tests/pmuls_vi64.ispc compfail     x86 avx512knl-i32x16   Linux LLVM 3.8   clang++3.4 -O0 *
 ./tests/pmuls_vi64.ispc compfail     x86 avx512knl-i32x16   Linux LLVM 3.8   clang++3.4 -O2 *
 ./tests/pmulus_i64.ispc compfail     x86 avx512knl-i32x16   Linux LLVM 3.8   clang++3.4 -O0 *
-./tests/pmulus_i64.ispc compfail     x86 avx512knl-i32x16   Linux LLVM 3.8   clang++3.4 -O2 *
 ./tests/pmulus_vi64.ispc compfail     x86 avx512knl-i32x16   Linux LLVM 3.8   clang++3.4 -O0 *
 ./tests/pmulus_vi64.ispc compfail     x86 avx512knl-i32x16   Linux LLVM 3.8   clang++3.4 -O2 *
 % End of avx-512 untracked
@@ -422,3 +420,25 @@
 ./tests/short-vec-7.ispc compfail     x86-64     generic-16   Linux LLVM 3.8 clang++3.4 -O0 *
 ./tests/short-vec-7.ispc compfail     x86-64     generic-16   Linux LLVM 3.8 clang++3.4 -O2 *
 % End of anonymous namespace bug
+
+% Tracked in https://llvm.org/bugs/show_bug.cgi?id=26338 
+% /CodeGen/SelectionDAG/SelectionDAG.cpp:1110: llvm::SDValue llvm::SelectionDAG::getConsts()) + 1 < 2)
+./tests/gather-float-7.ispc compfail     x86-64 avx512knl-i32x16   Linux LLVM 3.8   clang++3.4 -O2 *
+./tests/gather-float-8.ispc compfail     x86-64 avx512knl-i32x16   Linux LLVM 3.8   clang++3.4 -O2 *
+./tests/gather-int32-7.ispc compfail     x86-64 avx512knl-i32x16   Linux LLVM 3.8   clang++3.4 -O2 *
+./tests/gather-int32-8.ispc compfail     x86-64 avx512knl-i32x16   Linux LLVM 3.8   clang++3.4 -O2 *
+./tests/psubus_i64.ispc compfail     x86 avx512knl-i32x16   Linux LLVM 3.8   clang++3.4 -O0 *
+./tests/psubus_vi64.ispc compfail     x86 avx512knl-i32x16   Linux LLVM 3.8   clang++3.4 -O0 *
+./tests/soa-14.ispc compfail     x86-64 avx512knl-i32x16   Linux LLVM 3.8   clang++3.4 -O2 *
+./tests/soa-27.ispc compfail     x86-64 avx512knl-i32x16   Linux LLVM 3.8   clang++3.4 -O2 *
+
+./tests/gather-float-7.ispc compfail     x86-64 avx512knl-i32x16   Linux LLVM 3.9   clang++3.4 -O2 *
+./tests/gather-float-8.ispc compfail     x86-64 avx512knl-i32x16   Linux LLVM 3.9   clang++3.4 -O2 *
+./tests/gather-int32-7.ispc compfail     x86-64 avx512knl-i32x16   Linux LLVM 3.9   clang++3.4 -O2 *
+./tests/gather-int32-8.ispc compfail     x86-64 avx512knl-i32x16   Linux LLVM 3.9   clang++3.4 -O2 *
+./tests/psubus_i64.ispc compfail     x86 avx512knl-i32x16   Linux LLVM 3.9   clang++3.4 -O0 *
+./tests/psubus_vi64.ispc compfail     x86 avx512knl-i32x16   Linux LLVM 3.9   clang++3.4 -O0 *
+./tests/soa-14.ispc compfail     x86-64 avx512knl-i32x16   Linux LLVM 3.9   clang++3.4 -O2 *
+./tests/soa-27.ispc compfail     x86-64 avx512knl-i32x16   Linux LLVM 3.9   clang++3.4 -O2 *
+% /CodeGen/SelectionDAG/SelectionDAG.cpp:1110: llvm::SDValue llvm::SelectionDAG::getConsts()) + 1 < 2)
+% Gather/Scatter bug