SERVER-114936 switch to PGO'd LLVM19 toolchain (#45072)

GitOrigin-RevId: 8e5835dc367b6ac083c8c8d842acb1bc184d6c45
2025-12-10 14:09:02 -06:00 · 2025-12-10 14:09:02 -06:00 · 3fd38608b0
parent 70ef71e55c
commit 3fd38608b0
8 changed files with 96 additions and 119 deletions
--- a/MODULE.bazel.lock
+++ b/MODULE.bazel.lock
@ -67,7 +67,7 @@
  "moduleExtensions": {
    "//bazel:bzlmod.bzl%setup_mongo_python_toolchains": {
      "general": {
-        "bzlTransitiveDigest": "BUQ02sb6H3jzjyfTx/4gLnSrNaeq8o4tJqm9TGtMB8g=",
+        "bzlTransitiveDigest": "FtdgOJSyGbsXr7BmljeEF/t1sU5tfBjOHatXFzh137E=",
        "usagesDigest": "bUxjq9n+hj2YwYT/lcSP4lHyQ2GVy5JpFgSmddUqUZg=",
        "recordedFileInputs": {},
        "recordedDirentsInputs": {},
--- a/bazel/config/BUILD.bazel
+++ b/bazel/config/BUILD.bazel
@ -786,7 +786,7 @@ linker(
 )

 # Underscored settings are for flagging configuration errors and for evaluating auto.
-# Use :linker_gold & linker_lld to check the final evaluated linker.
+# Use :linker_mold & linker_lld to check the final evaluated linker.
 config_setting(
    name = "_linker_auto",
    flag_values = {
@ -794,13 +794,6 @@ config_setting(
    },
 )

-config_setting(
-    name = "_linker_gold",
-    flag_values = {
-        "//bazel/config:linker": "gold",
-    },
-)
-
 config_setting(
    name = "_linker_mold",
    flag_values = {
@ -815,34 +808,14 @@ config_setting(
    },
 )

-selects.config_setting_group(
-    name = "_linker_gold_set_by_auto",
-    match_all = [
-        ":_linker_auto",
-        "@platforms//cpu:s390x",
-        "@platforms//os:linux",
-    ],
-)
-
 selects.config_setting_group(
    name = "_linker_lld_set_by_auto",
    match_all = [
        ":_linker_auto",
-        ":not_s390x",
        "@platforms//os:linux",
    ],
 )

-# Final setting intended for external use.
-#   linker == gold || (linker == auto && cpu == s390x)
-selects.config_setting_group(
-    name = "linker_gold",
-    match_any = [
-        ":_linker_gold_set_by_auto",
-        ":_linker_gold",
-    ],
-)
-
 # Final setting intended for external use.
 #   linker == lld || (linker == auto && cpu == not_s390x)
 selects.config_setting_group(
@ -857,7 +830,6 @@ selects.config_setting_group(
    name = "linker_lld_valid_settings",
    match_all = [
        ":linker_lld",
-        ":not_s390x",
        ":not_macos",
    ],
 )
@ -875,7 +847,6 @@ selects.config_setting_group(
    match_any = [
        ":linker_default",
        ":linker_lld",
-        ":linker_gold",
    ],
 )

--- a/bazel/config/configs.bzl
+++ b/bazel/config/configs.bzl
@ -49,7 +49,7 @@ mongo_toolchain_version = rule(
 # linker
 # ==========

-linker_values = ["auto", "gold", "lld", "mold"]
+linker_values = ["auto", "lld", "mold"]

 linker_provider = provider(
    doc = "Specify the type of linker to use.",
--- a/bazel/toolchains/cc/mongo_custom_features.bzl
+++ b/bazel/toolchains/cc/mongo_custom_features.bzl
@ -21,7 +21,6 @@ COMPILERS = struct(
 )

 LINKERS = struct(
-    GOLD = "gold",
    LLD = "lld",
    MOLD = "mold",
 )
--- a/bazel/toolchains/cc/mongo_linux/mongo_gdb_version_v5.bzl
+++ b/bazel/toolchains/cc/mongo_linux/mongo_gdb_version_v5.bzl
@ -1,66 +1,66 @@
 # Use mongo/bazel/toolchains/mongo_toolchain_version_generator.py to generate this mapping for a given patch build.

-TOOLCHAIN_ID = "84bea98f485ef8c1af3f0612c56423fac4ea6256"
+TOOLCHAIN_ID = "8c3aa505608c8462ca46fd42f5323c4e15c21d75"
 TOOLCHAIN_MAP_V5 = {
    "amazon_linux_2023_aarch64": {
        "platform_name": "amazon2023-arm64",
-        "sha": "a3115f43372601bbd1ef3e812fedcc521b12194fcde317c6c499ba8a7084ed49",
-        "url": "https://s3.amazonaws.com/boxes.10gen.com/build/toolchain/bazel_v5_gdb-amazon2023-arm64-84bea98f485ef8c1af3f0612c56423fac4ea6256.tar.gz",
+        "sha": "accc96870419f3d759ddd269b1614a19710fb7cf5c4d9883f00b68933d288629",
+        "url": "https://s3.amazonaws.com/boxes.10gen.com/build/toolchain/bazel_v5_gdb-amazon2023-arm64-8c3aa505608c8462ca46fd42f5323c4e15c21d75.tar.gz",
    },
    "amazon_linux_2023_x86_64": {
        "platform_name": "amazon2023",
-        "sha": "ec74688444aaf319356f3442b7f6d770a3d9503843a3179f5c9961c86aaac913",
-        "url": "https://s3.amazonaws.com/boxes.10gen.com/build/toolchain/bazel_v5_gdb-amazon2023-84bea98f485ef8c1af3f0612c56423fac4ea6256.tar.gz",
+        "sha": "b8c9641021e4106916655b34f336ad28dbd375e33878fbfe2cd19d417df9c628",
+        "url": "https://s3.amazonaws.com/boxes.10gen.com/build/toolchain/bazel_v5_gdb-amazon2023-8c3aa505608c8462ca46fd42f5323c4e15c21d75.tar.gz",
    },
    "amazon_linux_2_aarch64": {
        "platform_name": "amazon2-arm64",
-        "sha": "20037a9d237c3ea00bfa983dcc5e007b84c107060c1152606d51e68ccb14ef39",
-        "url": "https://s3.amazonaws.com/boxes.10gen.com/build/toolchain/bazel_v5_gdb-amazon2-arm64-84bea98f485ef8c1af3f0612c56423fac4ea6256.tar.gz",
+        "sha": "bc23afcae4e388f84fda05b4ae5c3f2661adb6ca5cc57cb519f1db5d9bf0fbf8",
+        "url": "https://s3.amazonaws.com/boxes.10gen.com/build/toolchain/bazel_v5_gdb-amazon2-arm64-8c3aa505608c8462ca46fd42f5323c4e15c21d75.tar.gz",
    },
    "amazon_linux_2_x86_64": {
        "platform_name": "amazon2",
-        "sha": "335e03bb5edd0b906ad6145fb41cfde6880b4b2d8cf84e76caa4c355c66ca489",
-        "url": "https://s3.amazonaws.com/boxes.10gen.com/build/toolchain/bazel_v5_gdb-amazon2-84bea98f485ef8c1af3f0612c56423fac4ea6256.tar.gz",
+        "sha": "9759e83ee8ca0659a2bea2d235f0b4861496a352a50103fee697961345dc0f36",
+        "url": "https://s3.amazonaws.com/boxes.10gen.com/build/toolchain/bazel_v5_gdb-amazon2-8c3aa505608c8462ca46fd42f5323c4e15c21d75.tar.gz",
    },
    "debian10_x86_64": {
        "platform_name": "debian10",
-        "sha": "3efb1137d0b3aba0b29eddbdad19c39b203187f58128a5b93269e03a08e1fba3",
-        "url": "https://s3.amazonaws.com/boxes.10gen.com/build/toolchain/bazel_v5_gdb-debian10-84bea98f485ef8c1af3f0612c56423fac4ea6256.tar.gz",
+        "sha": "1d6c83baf52dcbd1b50cb9f58432225b354b77a57c035dab14d21792c75c3b1a",
+        "url": "https://s3.amazonaws.com/boxes.10gen.com/build/toolchain/bazel_v5_gdb-debian10-8c3aa505608c8462ca46fd42f5323c4e15c21d75.tar.gz",
    },
    "debian12_x86_64": {
        "platform_name": "debian12",
-        "sha": "94803cc5c82d24e1c991327dc7dc742dac1f79bbb9a2509b6e0b967134ef6923",
-        "url": "https://s3.amazonaws.com/boxes.10gen.com/build/toolchain/bazel_v5_gdb-debian12-84bea98f485ef8c1af3f0612c56423fac4ea6256.tar.gz",
+        "sha": "2b2a9598a607e28daae5a25f38b5f662d118c6d7923ecb4eb69fd5f0491d8b70",
+        "url": "https://s3.amazonaws.com/boxes.10gen.com/build/toolchain/bazel_v5_gdb-debian12-8c3aa505608c8462ca46fd42f5323c4e15c21d75.tar.gz",
    },
    "rhel8_aarch64": {
        "platform_name": "rhel82-arm64",
-        "sha": "93a5af2e9f5f0a0116516ad160ee96234c0341bc5a7ce56bfb192a512dbd6375",
-        "url": "https://s3.amazonaws.com/boxes.10gen.com/build/toolchain/bazel_v5_gdb-rhel82-arm64-84bea98f485ef8c1af3f0612c56423fac4ea6256.tar.gz",
+        "sha": "a730c103c9c4a72a4efb3a77459ce6a0697b19a3638eb2471a648ea555dbc24f",
+        "url": "https://s3.amazonaws.com/boxes.10gen.com/build/toolchain/bazel_v5_gdb-rhel82-arm64-8c3aa505608c8462ca46fd42f5323c4e15c21d75.tar.gz",
    },
    "rhel8_ppc64le": {
        "platform_name": "rhel81-ppc64le",
-        "sha": "4cbce4af6eee5014e87107b4996834b7c3d3469b61ecc5aaf16b6a4770711c1b",
-        "url": "https://s3.amazonaws.com/boxes.10gen.com/build/toolchain/bazel_v5_gdb-rhel81-ppc64le-84bea98f485ef8c1af3f0612c56423fac4ea6256.tar.gz",
+        "sha": "006c5e1abfe889b77c3b9459ac4b0258604e9c2f9ffa9960fc5a9e34926c3929",
+        "url": "https://s3.amazonaws.com/boxes.10gen.com/build/toolchain/bazel_v5_gdb-rhel81-ppc64le-8c3aa505608c8462ca46fd42f5323c4e15c21d75.tar.gz",
    },
    "rhel8_s390x": {
        "platform_name": "rhel80-zseries",
-        "sha": "fbec5ff54b063c72121f9932c05148c8a0f67996ba033792d5c37d7884cb3103",
-        "url": "https://s3.amazonaws.com/boxes.10gen.com/build/toolchain/bazel_v5_gdb-rhel80-zseries-84bea98f485ef8c1af3f0612c56423fac4ea6256.tar.gz",
+        "sha": "f4bb09a8a71e7a9011f4ed1b4f5c3857c4439361a209e22662a61c5b4c29fb11",
+        "url": "https://s3.amazonaws.com/boxes.10gen.com/build/toolchain/bazel_v5_gdb-rhel80-zseries-8c3aa505608c8462ca46fd42f5323c4e15c21d75.tar.gz",
    },
    "rhel8_x86_64": {
        "platform_name": "rhel80",
-        "sha": "17522c32545cef0c1c0d9e3409dc576c2fc277ff4dd0a1190ff89435209a587e",
-        "url": "https://s3.amazonaws.com/boxes.10gen.com/build/toolchain/bazel_v5_gdb-rhel80-84bea98f485ef8c1af3f0612c56423fac4ea6256.tar.gz",
+        "sha": "675677cf683ac98cd8774ea07ab12d420842cd2333860e87326e59d5d6666d33",
+        "url": "https://s3.amazonaws.com/boxes.10gen.com/build/toolchain/bazel_v5_gdb-rhel80-8c3aa505608c8462ca46fd42f5323c4e15c21d75.tar.gz",
    },
    "rhel9_aarch64": {
        "platform_name": "rhel90-arm64",
-        "sha": "5d9addaa6abc401e3f033b9709bc9293f358eacd62a9e66a6c2f21878a3ca60f",
-        "url": "https://s3.amazonaws.com/boxes.10gen.com/build/toolchain/bazel_v5_gdb-rhel90-arm64-84bea98f485ef8c1af3f0612c56423fac4ea6256.tar.gz",
+        "sha": "21ec18907e8df5e535f9cf6844dcddc6ee5fbe56e7faf58d191b766a7211f2cd",
+        "url": "https://s3.amazonaws.com/boxes.10gen.com/build/toolchain/bazel_v5_gdb-rhel90-arm64-8c3aa505608c8462ca46fd42f5323c4e15c21d75.tar.gz",
    },
    "rhel9_ppc64le": {
        "platform_name": "rhel90-ppc64le",
-        "sha": "49da44be2830b3bfa2153b4c804a4680edd66fdc387259fd12895a43f751586e",
-        "url": "https://s3.amazonaws.com/boxes.10gen.com/build/toolchain/bazel_v5_gdb-rhel90-ppc64le-84bea98f485ef8c1af3f0612c56423fac4ea6256.tar.gz",
+        "sha": "ea2140fc64057a5aae361cde8a38a71257257db7987c950f5ecf31fad909c563",
+        "url": "https://s3.amazonaws.com/boxes.10gen.com/build/toolchain/bazel_v5_gdb-rhel90-ppc64le-8c3aa505608c8462ca46fd42f5323c4e15c21d75.tar.gz",
    },
    "rhel9_s390x": {
        "platform_name": "rhel90-zseries",
@ -69,42 +69,47 @@ TOOLCHAIN_MAP_V5 = {
    },
    "rhel9_x86_64": {
        "platform_name": "rhel90",
-        "sha": "d04680a41b5b804a22f5880bf5458b3c13e0fca2863afc0529a5bf26ab74938a",
-        "url": "https://s3.amazonaws.com/boxes.10gen.com/build/toolchain/bazel_v5_gdb-rhel90-84bea98f485ef8c1af3f0612c56423fac4ea6256.tar.gz",
+        "sha": "7dd01b536c8db4d435741ca6637838af403944d4bf073e5a494bf80b889ea101",
+        "url": "https://s3.amazonaws.com/boxes.10gen.com/build/toolchain/bazel_v5_gdb-rhel90-8c3aa505608c8462ca46fd42f5323c4e15c21d75.tar.gz",
    },
    "suse15_x86_64": {
        "platform_name": "suse15",
-        "sha": "9e9491110957e301c2612f4550975319f9b13b8544ba1871d413f8924102a28e",
-        "url": "https://s3.amazonaws.com/boxes.10gen.com/build/toolchain/bazel_v5_gdb-suse15-84bea98f485ef8c1af3f0612c56423fac4ea6256.tar.gz",
+        "sha": "eb3ab6840b45b144696e88b2f2e91d9aaa5a7e2245971ab568d0cf38242e17ef",
+        "url": "https://s3.amazonaws.com/boxes.10gen.com/build/toolchain/bazel_v5_gdb-suse15-8c3aa505608c8462ca46fd42f5323c4e15c21d75.tar.gz",
+    },
+    "ubuntu18_x86_64": {
+        "platform_name": "ubuntu1804",
+        "sha": "ef27b2067da7308996c7ae81fa81d841f7f5b249b34c596d7f747e264946c441",
+        "url": "https://s3.amazonaws.com/boxes.10gen.com/build/toolchain/bazel_v5_gdb-ubuntu1804-8c3aa505608c8462ca46fd42f5323c4e15c21d75.tar.gz",
    },
    "ubuntu20_aarch64": {
        "platform_name": "ubuntu2004-arm64",
-        "sha": "4bfc2bc218a4406cff8c19e07358c70108e304f7cddf5022ad1714e11cadd7ab",
-        "url": "https://s3.amazonaws.com/boxes.10gen.com/build/toolchain/bazel_v5_gdb-ubuntu2004-arm64-84bea98f485ef8c1af3f0612c56423fac4ea6256.tar.gz",
+        "sha": "d29af42bd88d6f2b6b10f42c09d1ee7029c77d98c7fa83aba24c76ffb91f1887",
+        "url": "https://s3.amazonaws.com/boxes.10gen.com/build/toolchain/bazel_v5_gdb-ubuntu2004-arm64-8c3aa505608c8462ca46fd42f5323c4e15c21d75.tar.gz",
    },
    "ubuntu20_x86_64": {
        "platform_name": "ubuntu2004",
-        "sha": "49aec1fc396677a50d17fdbeff9c631816e8bf61658759d970f4a36f8b59f802",
-        "url": "https://s3.amazonaws.com/boxes.10gen.com/build/toolchain/bazel_v5_gdb-ubuntu2004-84bea98f485ef8c1af3f0612c56423fac4ea6256.tar.gz",
+        "sha": "1beef847f1ae215d65c1c75bc5be1f7f719a4cc63adbc744b663c61eaee68a23",
+        "url": "https://s3.amazonaws.com/boxes.10gen.com/build/toolchain/bazel_v5_gdb-ubuntu2004-8c3aa505608c8462ca46fd42f5323c4e15c21d75.tar.gz",
    },
    "ubuntu22_aarch64": {
        "platform_name": "ubuntu2204-arm64",
-        "sha": "7a970159806ce10d882a002a1c92ecbdeaa249ec640eecd50885fcd892965376",
-        "url": "https://s3.amazonaws.com/boxes.10gen.com/build/toolchain/bazel_v5_gdb-ubuntu2204-arm64-84bea98f485ef8c1af3f0612c56423fac4ea6256.tar.gz",
+        "sha": "ffa865771a75b6201d453198356e052bc7fc1171010c72804888ba105ab72f69",
+        "url": "https://s3.amazonaws.com/boxes.10gen.com/build/toolchain/bazel_v5_gdb-ubuntu2204-arm64-8c3aa505608c8462ca46fd42f5323c4e15c21d75.tar.gz",
    },
    "ubuntu22_x86_64": {
        "platform_name": "ubuntu2204",
-        "sha": "063334f99a9dbb99c5574d705ae2971815109083246348819d310650f70372eb",
-        "url": "https://s3.amazonaws.com/boxes.10gen.com/build/toolchain/bazel_v5_gdb-ubuntu2204-84bea98f485ef8c1af3f0612c56423fac4ea6256.tar.gz",
+        "sha": "b30873af65e14a51a1de24b1baf38bd9093a88a8cf83c515f5a3091c949e0d77",
+        "url": "https://s3.amazonaws.com/boxes.10gen.com/build/toolchain/bazel_v5_gdb-ubuntu2204-8c3aa505608c8462ca46fd42f5323c4e15c21d75.tar.gz",
    },
    "ubuntu24_aarch64": {
        "platform_name": "ubuntu2404-arm64",
-        "sha": "2c1e179e0e7a277c01c262886cd58b2a67b9ca628858177aa87589856301e56e",
-        "url": "https://s3.amazonaws.com/boxes.10gen.com/build/toolchain/bazel_v5_gdb-ubuntu2404-arm64-84bea98f485ef8c1af3f0612c56423fac4ea6256.tar.gz",
+        "sha": "2728f48b31cadd6e41ba35e20b3524325ecec9554c9064eefd176e3bba2f7411",
+        "url": "https://s3.amazonaws.com/boxes.10gen.com/build/toolchain/bazel_v5_gdb-ubuntu2404-arm64-8c3aa505608c8462ca46fd42f5323c4e15c21d75.tar.gz",
    },
    "ubuntu24_x86_64": {
        "platform_name": "ubuntu2404",
-        "sha": "7d64ec6cb9b58e0ec8c30547c0f405ae9aba76170143e850ef6211b530a24fa5",
-        "url": "https://s3.amazonaws.com/boxes.10gen.com/build/toolchain/bazel_v5_gdb-ubuntu2404-84bea98f485ef8c1af3f0612c56423fac4ea6256.tar.gz",
+        "sha": "8ccf9da391302d2ae81bf07a2d0991ec7b42b38a89654e44cf68b937306b8678",
+        "url": "https://s3.amazonaws.com/boxes.10gen.com/build/toolchain/bazel_v5_gdb-ubuntu2404-8c3aa505608c8462ca46fd42f5323c4e15c21d75.tar.gz",
    },
 }
--- a/bazel/toolchains/cc/mongo_linux/mongo_linux_cc_toolchain_config.bzl
+++ b/bazel/toolchains/cc/mongo_linux/mongo_linux_cc_toolchain_config.bzl
@ -1006,8 +1006,7 @@ def _impl(ctx):
                    # Disallow an executable stack. Also, issue a warning if any files are
                    # found that would cause the stack to become executable if the
                    # noexecstack flag was not in play, so that we can find them and fix
-                    # them. We do this here after we check for ld.gold because the
-                    # --warn-execstack is currently only offered with gold.
+                    # them.
                    "-Wl,-z,noexecstack",
                    "-Wl,--warn-execstack",

--- a/bazel/toolchains/cc/mongo_linux/mongo_toolchain.BUILD.tmpl
+++ b/bazel/toolchains/cc/mongo_linux/mongo_toolchain.BUILD.tmpl
@ -50,7 +50,6 @@ Error:
 LINKER_LINKFLAGS = select(
    {
        "@//bazel/config:linker_default": [],
-        "@//bazel/config:linker_gold": ["-fuse-ld=gold"],
        "@//bazel/config:linker_lld_valid_settings": ["-fuse-ld=lld"],
        "@//bazel/config:linker_mold_valid_settings": ["-fuse-ld=mold", "-B./external/mongo_toolchain_{version}/mold-2.37.1-{arch}-linux/bin/"],
    },
@ -60,7 +59,6 @@ LINKER_LINKFLAGS = select(
 CHOSEN_LINKER = select(
    {
        "@//bazel/config:linker_default": "",
-        "@//bazel/config:linker_gold": "gold",
        "@//bazel/config:linker_lld_valid_settings": "lld",
        "@//bazel/config:linker_mold_valid_settings": "mold",
    }
--- a/bazel/toolchains/cc/mongo_linux/mongo_toolchain_version_v5.bzl
+++ b/bazel/toolchains/cc/mongo_linux/mongo_toolchain_version_v5.bzl
@ -1,66 +1,66 @@
 # Use mongo/bazel/toolchains/mongo_toolchain_version_generator.py to generate this mapping for a given patch build.

-TOOLCHAIN_ID = "868b3c714c67f4f245623d2f772d0fac95d936a2"
+TOOLCHAIN_ID = "8c3aa505608c8462ca46fd42f5323c4e15c21d75"
 TOOLCHAIN_MAP_V5 = {
    "amazon_linux_2023_aarch64": {
        "platform_name": "amazon2023-arm64",
-        "sha": "4eb42e6cb53713d20b0564e2b838a8933aed192cf3550511937610f1d7af16d8",
-        "url": "https://s3.amazonaws.com/boxes.10gen.com/build/toolchain/bazel_v5_toolchain-amazon2023-arm64-868b3c714c67f4f245623d2f772d0fac95d936a2.tar.gz",
+        "sha": "fecda1d83bc31cb795adaa9bd5871636e885db05140fcf62b428dddc1041df88",
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