build: Add path for LLVM 15.0.7

Author: varungandhi-src

.github/workflows/release.yml

@@ -23,6 +23,12 @@ jobs:
         # https://github.com/github/roadmap/issues/528
         platform: ['ubuntu-20.04', 'macos-12'] # , 'windows-2022']
         config: ['dev', 'release']
+        exclude:
+          - platform: 'macos-12'
+            config: 'dev'
+          # Seeing an inexplicable
+          #   ld: file not found: external/llvm_toolchain_llvm/lib/clang/15.0.7/lib/darwin/libclang_rt.asan_osx_dynamic.dylib
+          # when running in GitHub Actions
     runs-on: ${{ matrix.platform }}
     env:
       TAG: ${{ github.event.ref }}

settings.bzl

@@ -1,4 +1,7 @@
+# Keep LLVM versions list in sync with setup_llvm.bzl
 ASAN_LINKOPTS = [
     "-Wl,-rpath,@loader_path/../../../../../../external/llvm_toolchain_llvm/lib/clang/15.0.6/lib/darwin",
+    # macOS release builds use 15.0.7 for x86_64
+    "-Wl,-rpath,@loader_path/../../../../../../external/llvm_toolchain_llvm/lib/clang/15.0.7/lib/darwin",
     "-Wl,-rpath,@loader_path/../../../../../../external/llvm_toolchain_llvm/lib/clang/15.0.6/lib/linux",
 ]

setup_llvm.bzl

@@ -1,6 +1,8 @@
 load("@com_grail_bazel_toolchain//toolchain:rules.bzl", grailbio_llvm_toolchain = "llvm_toolchain")
 
 def setup_llvm_toolchain(name):
+    # NOTE: The ASan build uses paths which involve the version.
+    # Keep the version list in sync with settings.bzl
     mapping = {
         "linux-aarch64": {"version": "15.0.6", "triple": "aarch64-linux-gnu", "sha256": "8ca4d68cf103da8331ca3f35fe23d940c1b78fb7f0d4763c1c059e352f5d1bec"},
         "linux-x86_64": {"version": "15.0.6", "triple": "x86_64-linux-gnu-ubuntu-18.04", "sha256": "38bc7f5563642e73e69ac5626724e206d6d539fbef653541b34cae0ba9c3f036"},