Add JsonDictionaryKeyFilter to support filtering property names on dictionary deserialization

.git-blame-ignore-revs

@@ -0,0 +1,75 @@
+# Licensed to the .NET Foundation under one or more agreements.
+# The .NET Foundation licenses this file to you under the MIT license.
+
+# This file is consumed by GitHub by default and the git-blame command
+# optionally to make blames ignore uninteresting commits. See docs here:
+# https://docs.github.com/en/repositories/working-with-files/using-files/viewing-and-understanding-files#ignore-commits-in-the-blame-view
+# To configure git-blame to use this file, run:
+#   git config blame.ignoreRevsFile .git-blame-ignore-revs
+
+# These are the commits that trim gc.cpp copies to contain only
+# the functions relevant to each split file. They should be ignored
+# when running git blame.
+
+# region_allocator.cpp
+d49754129145a19ad7aa5a69122e58d09375f4ac
+
+# region_free_list.cpp
+83fa3f4a0493c9c57f44c7cb6e77bb5dfb05ea91
+
+# finalization.cpp
+2ab9d88c8dd2431fc7a09527dd4adb24848a4ece
+
+# interface.cpp
+b91cb52f3b3f23cdb45ac7234a7cab974cbed9af
+
+# allocation.cpp
+d682279be75df3debe5413c5fed486cfdabc3534
+
+# mark_phase.cpp
+6fbf6a2dd6b5c701119368c08276a3ba552b6683
+
+# plan_phase.cpp
+1b46271bd978040090987df603c062a715f0af65
+
+# relocate_compact.cpp
+35d6f5a8e0323294d7b9ff4bea3c4213a3db2ccb
+
+# sweep.cpp
+43fc659bc9145cab1a4a73aae73ac853bc330256
+
+# background.cpp
+81e8f3b4f28894173c6cd3a3a76c4e7f856e8a66
+
+# regions_segments.cpp
+ba70358a247a319a5e2895fde84b2579172f3d2b
+
+# card_table.cpp
+42f56409dc3c7f2443d28230e3e17c50df9d5629
+
+# memory.cpp
+7aa69f096ff5b56e3669b0fe344b85b04426a52e
+
+# diagnostics.cpp
+7932b9d8847f277d1fdfe0375a71c35c0a6969f3
+
+# dynamic_tuning.cpp
+cdc50607148e41906aafb60e2aeb6aa392d1a249
+
+# no_gc.cpp
+2f4ec5f3f7ec88320804b5cabfb8fce5088b4dbd
+
+# dynamic_heap_count.cpp
+b22c2d115c34e36fa5711caae405e8ee1292d167
+
+# init.cpp
+29123fc5becb2b883b9a335392bf8f1fa709b3e9
+
+# collect.cpp
+b5a1146dcfd341e93178530625503dd4fdff5126
+
+# gc.cpp - trim to core infrastructure
+b3e810d361b0652e4caa9476b88cb66f4ed1eed2
+
+# Prepare: rename gc.cpp to gc_full.cpp
+2fdb93ffc36e8c55b713b017e566deae4438938b

docs/project/list-of-diagnostics.md

@@ -271,7 +271,7 @@ The diagnostic id values reserved for .NET Libraries analyzer warnings are `SYSL
 |  __`SYSLIB1223`__ | Attributes deriving from JsonConverterAttribute are not supported by the source generator. |
 |  __`SYSLIB1224`__ | Types annotated with JsonSerializableAttribute must be classes deriving from JsonSerializerContext. |
 |  __`SYSLIB1225`__ | Type includes ref like property, field or constructor parameter. |
-|  __`SYSLIB1226`__ | _`SYSLIB1220`-`SYSLIB1229` reserved for System.Text.Json.SourceGeneration._ |
+|  __`SYSLIB1226`__ | 'JsonIgnoreCondition.Always' is not valid on type-level 'JsonIgnoreAttribute' annotations. |
 |  __`SYSLIB1227`__ | _`SYSLIB1220`-`SYSLIB1229` reserved for System.Text.Json.SourceGeneration._ |
 |  __`SYSLIB1228`__ | _`SYSLIB1220`-`SYSLIB1229` reserved for System.Text.Json.SourceGeneration._ |
 |  __`SYSLIB1229`__ | _`SYSLIB1220`-`SYSLIB1229` reserved for System.Text.Json.SourceGeneration._ |

eng/common/native/install-dependencies.sh

@@ -47,6 +47,13 @@ case "$os" in
         export HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK=1
         # Skip brew update for now, see https://github.com/actions/setup-python/issues/577
         # brew update --preinstall
+
+        # Remove Homebrew LLVM if present. The CI runner image may ship with a
+        # Homebrew LLVM whose libraries (e.g., libunwind.dylib) are the wrong
+        # architecture or conflict with the Apple SDK, breaking native linking.
+        # The build uses Apple clang from /usr/bin/clang exclusively.
+        brew uninstall --ignore-dependencies llvm@18 2>/dev/null || true
+
         brew bundle --no-upgrade --file=- <<EOF
 brew "cmake"
 brew "icu4c"

eng/pipelines/cdac/prepare-cdac-helix-steps.yml

@@ -0,0 +1,50 @@
+# prepare-cdac-helix-steps.yml — Shared steps for preparing cDAC dump test Helix payloads.
+#
+# Used by CdacDumpTests, CdacXPlatDumpGen, and CdacXPlatDumpTests stages in runtime-diagnostics.yml.
+# Handles: building debuggees, preparing Helix payload, finding testhost and Helix queue.
+
+parameters:
+  buildDebuggees: true
+  skipDebuggeeCopy: false
+
+steps:
+- ${{ if parameters.buildDebuggees }}:
+  - script: $(Build.SourcesDirectory)$(dir).dotnet$(dir)dotnet$(exeExt) msbuild
+      $(Build.SourcesDirectory)/src/native/managed/cdac/tests/DumpTests/Microsoft.Diagnostics.DataContractReader.DumpTests.csproj
+      /t:BuildDebuggeesOnly
+      /p:Configuration=$(_BuildConfig)
+      /p:TargetArchitecture=$(archType)
+      -bl:$(Build.SourcesDirectory)/artifacts/log/BuildDebuggees.binlog
+    displayName: 'Build Debuggees'
+
+- script: $(Build.SourcesDirectory)$(dir).dotnet$(dir)dotnet$(exeExt) build
+    $(Build.SourcesDirectory)/src/native/managed/cdac/tests/DumpTests/Microsoft.Diagnostics.DataContractReader.DumpTests.csproj
+    /p:PrepareHelixPayload=true
+    /p:SkipDebuggeeCopy=${{ parameters.skipDebuggeeCopy }}
+    /p:Configuration=$(_BuildConfig)
+    /p:HelixPayloadDir=$(Build.SourcesDirectory)/artifacts/helixPayload/cdac
+    /p:SkipDumpVersions=net10.0
+    -bl:$(Build.SourcesDirectory)/artifacts/log/DumpTestPayload.binlog
+  displayName: 'Prepare Helix Payload'
+
+- pwsh: |
+    $testhostDir = Get-ChildItem -Directory -Path "$(Build.SourcesDirectory)/artifacts/bin/testhost/net*-$(osGroup)-*-$(archType)" | Select-Object -First 1 -ExpandProperty FullName
+    if (-not $testhostDir) {
+        Write-Error "No testhost directory found matching net*-$(osGroup)-*-$(archType) under artifacts/bin/testhost/"
+        exit 1
+    }
+    Write-Host "TestHost directory: $testhostDir"
+    Write-Host "##vso[task.setvariable variable=TestHostPayloadDir]$testhostDir"
+
+    $queue = switch ("$(osGroup)_$(archType)") {
+        "windows_x64"  { "$(helix_windows_x64)" }
+        "windows_arm64" { "$(helix_windows_arm64)" }
+        "linux_x64"    { "$(helix_linux_x64_oldest)" }
+        "linux_arm64"  { "$(helix_linux_arm64_oldest)" }
+        "osx_x64"     { "$(helix_macos_x64)" }
+        "osx_arm64"   { "$(helix_macos_arm64)" }
+        default        { Write-Error "Unsupported platform: $(osGroup)_$(archType)"; exit 1 }
+    }
+    Write-Host "Helix queue: $queue"
+    Write-Host "##vso[task.setvariable variable=CdacHelixQueue]$queue"
+  displayName: 'Find TestHost Directory and Helix Queue'

eng/pipelines/extra-platforms/runtime-extra-platforms-ioslike.yml

@@ -23,8 +23,9 @@ jobs:
     isExtraPlatformsBuild: ${{ parameters.isExtraPlatformsBuild }}
     isiOSLikeOnlyBuild: ${{ parameters.isiOSLikeOnlyBuild }}
     platforms:
-      - ios_arm64
-      - tvos_arm64
+      # Tracking issue: https://github.com/dotnet/runtime/issues/123796
+      # - ios_arm64
+      # - tvos_arm64
     variables:
       # map dependencies variables to local variables
       - name: librariesContainsChange
@@ -64,8 +65,9 @@ jobs:
     isExtraPlatformsBuild: ${{ parameters.isExtraPlatformsBuild }}
     isiOSLikeOnlyBuild: ${{ parameters.isiOSLikeOnlyBuild }}
     platforms:
-      - ios_arm64
-      - tvos_arm64
+      # Tracking issue: https://github.com/dotnet/runtime/issues/123796
+      # - ios_arm64
+      # - tvos_arm64
     variables:
       - ${{ if and(eq(variables['System.TeamProject'], 'public'), eq(variables['Build.Reason'], 'PullRequest')) }}:
         - name: _HelixSource
@@ -108,8 +110,9 @@ jobs:
     isExtraPlatformsBuild: ${{ parameters.isExtraPlatformsBuild }}
     isiOSLikeOnlyBuild: ${{ parameters.isiOSLikeOnlyBuild }}
     platforms:
-      - ios_arm64
-      - tvos_arm64
+      # Tracking issue: https://github.com/dotnet/runtime/issues/123796
+      # - ios_arm64
+      # - tvos_arm64
     variables:
       # map dependencies variables to local variables
       - name: librariesContainsChange
@@ -141,8 +144,9 @@ jobs:
     isExtraPlatformsBuild: ${{ parameters.isExtraPlatformsBuild }}
     isiOSLikeOnlyBuild: ${{ parameters.isiOSLikeOnlyBuild }}
     platforms:
-      - ios_arm64
-      - tvos_arm64
+      # Tracking issue: https://github.com/dotnet/runtime/issues/123796
+      # - ios_arm64
+      # - tvos_arm64
     variables:
       - name: timeoutPerTestInMinutes
         value: 60
@@ -179,8 +183,9 @@ jobs:
     isExtraPlatformsBuild: ${{ parameters.isExtraPlatformsBuild }}
     isiOSLikeOnlyBuild: ${{ parameters.isiOSLikeOnlyBuild }}
     platforms:
-      - ios_arm64
-      - tvos_arm64
+      # Tracking issue: https://github.com/dotnet/runtime/issues/123796
+      # - ios_arm64
+      # - tvos_arm64
     variables:
       - ${{ if and(eq(variables['System.TeamProject'], 'public'), eq(variables['Build.Reason'], 'PullRequest')) }}:
         - name: _HelixSource
@@ -222,8 +227,9 @@ jobs:
     isExtraPlatformsBuild: ${{ parameters.isExtraPlatformsBuild }}
     isiOSLikeOnlyBuild: ${{ parameters.isiOSLikeOnlyBuild }}
     platforms:
-      - ios_arm64
-      - tvos_arm64
+      # Tracking issue: https://github.com/dotnet/runtime/issues/123796
+      # - ios_arm64
+      # - tvos_arm64
     variables:
       # map dependencies variables to local variables
       - name: librariesContainsChange