Enable function and data sections

.bazelrc

@@ -34,7 +34,10 @@ build --features=thin_lto
 # ThinLTO feature doesn't exist in Zig toolchain, so we must set the flags manually.
 # It also doesn't support LTO on darwin targets, so we can't set this globally.
 # Instead, we configure copt/linkopt inside the toolchain itself (with a WORKSPACE patch).
+#build --copt -flto=thin
 
 # Compilation Flags
 build -c opt
 build --strip=always
+build --copt -ffunction-sections
+build --copt -fdata-sections

BUILD

@@ -13,6 +13,8 @@ pkg_files(
 )
 
 # These are no needed for a minimal distribution.
+# TODO(zbarsky): We don't really need to build minimal distribution, the compressed size it the same.
+# Keeping this support for now since it will be useful when building additional tools outside the core distribution like clang-tidy, etc.
 TIER2_BINS = [
     "llvm-cov",
     "llvm-dwp",
@@ -77,7 +79,8 @@ PLATFORMS = [
         name = "for_" + platform.split(":")[1],
         srcs = [
             ":dist",
-            ":dist_minimal",
+	    # The minimal dist is the same size compressed as the normal one.
+	    # ":dist_minimal",
         ],
         target_platform = platform,
     )

rbe_platform/BUILD

@@ -9,7 +9,9 @@ platform(
         "@bazel_tools//tools/cpp:clang",
     ],
     exec_properties = {
-        "container-image": "docker://l.gcr.io/google/rbe-ubuntu16-04@sha256:f6568d8168b14aafd1b707019927a63c2d37113a03bcee188218f99bd0327ea1",
+        # Buildbuddy guarantees they pre-cache this image.
+        "container-image": "docker://gcr.io/flame-public/executor-docker-default:latest",
+        #"container-image": "docker://l.gcr.io/google/rbe-ubuntu16-04@sha256:f6568d8168b14aafd1b707019927a63c2d37113a03bcee188218f99bd0327ea1",
         "OSFamily": "Linux",
     },
 )