Fix GN debug builds of SwiftShader on LLVM 10

Added more missing files required to build with 'is_debug=true' when
LLVM 10 is used as the backend.

Bug: chromium:1108382
Bug: angleproject:4861
Change-Id: I24f5686b96d04508934a59dcc3dd14b799fbd93a
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/46928
Reviewed-by: Nicolas Capens <nicolascapens@google.com>
Kokoro-Result: kokoro <noreply+kokoro@google.com>
Tested-by: Antonio Maiorano <amaiorano@google.com>
diff --git a/third_party/llvm-10.0/BUILD.gn b/third_party/llvm-10.0/BUILD.gn
index 8591921..a876a0b 100644
--- a/third_party/llvm-10.0/BUILD.gn
+++ b/third_party/llvm-10.0/BUILD.gn
@@ -229,6 +229,7 @@
     "llvm/lib/Analysis/ProfileSummaryInfo.cpp",
     "llvm/lib/Analysis/PtrUseVisitor.cpp",
     "llvm/lib/Analysis/RegionInfo.cpp",
+    "llvm/lib/Analysis/RegionPrinter.cpp",
     "llvm/lib/Analysis/ScalarEvolution.cpp",
     "llvm/lib/Analysis/ScalarEvolutionAliasAnalysis.cpp",
     "llvm/lib/Analysis/ScalarEvolutionExpander.cpp",
@@ -243,6 +244,7 @@
     "llvm/lib/Analysis/ValueLatticeUtils.cpp",
     "llvm/lib/Analysis/ValueTracking.cpp",
     "llvm/lib/Analysis/VectorUtils.cpp",
+    "llvm/lib/Analysis/VFABIDemangling.cpp",
     "llvm/lib/BinaryFormat/Dwarf.cpp",
     "llvm/lib/BinaryFormat/Magic.cpp",
     "llvm/lib/BinaryFormat/Wasm.cpp",
@@ -572,6 +574,7 @@
     "llvm/lib/MC/MCAsmInfoCOFF.cpp",
     "llvm/lib/MC/MCAsmInfoDarwin.cpp",
     "llvm/lib/MC/MCAsmInfoELF.cpp",
+    "llvm/lib/MC/MCAsmMacro.cpp",
     "llvm/lib/MC/MCAsmStreamer.cpp",
     "llvm/lib/MC/MCAssembler.cpp",
     "llvm/lib/MC/MCCodeEmitter.cpp",
@@ -853,6 +856,7 @@
     "llvm/lib/Support/BranchProbability.cpp",
     "llvm/lib/Support/CRC.cpp",
     "llvm/lib/Support/Chrono.cpp",
+    "llvm/lib/Support/circular_raw_ostream.cpp",
     "llvm/lib/Support/CodeGenCoverage.cpp",
     "llvm/lib/Support/CommandLine.cpp",
     "llvm/lib/Support/Compression.cpp",
@@ -880,6 +884,7 @@
     "llvm/lib/Support/KnownBits.cpp",
     "llvm/lib/Support/LEB128.cpp",
     "llvm/lib/Support/LineIterator.cpp",
+    "llvm/lib/Support/Locale.cpp",
     "llvm/lib/Support/LowLevelType.cpp",
     "llvm/lib/Support/MD5.cpp",
     "llvm/lib/Support/ManagedStatic.cpp",