Merge branch 'main' into deprecate-is_pod

Author: frederick-vs-ja

.github/workflows/docs.yml

@@ -65,7 +65,7 @@ jobs:
           fetch-depth: 1
       - name: Get subprojects that have doc changes
         id: docs-changed-subprojects
-        uses: tj-actions/changed-files@fea790cb660e33aef4bdf07304e28fedd77dfa13 # v39.2.4
+        uses: tj-actions/changed-files@dcc7a0cba800f454d79fff4b993e8c3555bcc0a8 # v45.0.7
         with:
           files_yaml: |
             llvm:

.github/workflows/issue-write.yml

@@ -39,7 +39,7 @@ jobs:
 
       - name: 'Comment on PR'
         if: steps.download-artifact.outputs.artifact-id != ''
-        uses: actions/github-script@ffc2c79a5b2490bd33e0a41c1de74b877714d736 # v3.2.0
+        uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           script: |

bolt/runtime/hugify.cpp

@@ -85,7 +85,8 @@ static bool hasPagecacheTHPSupport() {
   KernelVersionTy KernelVersion;
 
   getKernelVersion((uint32_t *)&KernelVersion);
-  if (KernelVersion.major >= 5 && KernelVersion.minor >= 10)
+  if (KernelVersion.major >= 6 ||
+      (KernelVersion.major == 5 && KernelVersion.minor >= 10))
     return true;
 
   return false;

bolt/utils/docker/Dockerfile

@@ -23,8 +23,7 @@ RUN mkdir build && \
       -DCMAKE_EXE_LINKER_FLAGS="-Wl,--push-state -Wl,-whole-archive -ljemalloc_pic -Wl,--pop-state -lpthread -lstdc++ -lm -ldl" \
       -DCMAKE_INSTALL_PREFIX=/home/bolt/install && \
     ninja check-bolt && \
-    ninja install-llvm-bolt install-perf2bolt install-merge-fdata \
-      install-llvm-boltdiff install-bolt_rt
+    ninja install-llvm-bolt install-merge-fdata install-bolt_rt
 
 FROM ubuntu:24.04
 

clang/docs/ReleaseNotes.rst

@@ -35,6 +35,9 @@ Potentially Breaking Changes
 ============================
 
 - The Objective-C ARC migrator (ARCMigrate) has been removed.
+- Fix missing diagnostics for uses of declarations when performing typename access,
+  such as when performing member access on a '[[deprecated]]' type alias.
+  (#GH58547)
 
 C/C++ Language Potentially Breaking Changes
 -------------------------------------------
@@ -93,6 +96,9 @@ Resolutions to C++ Defect Reports
 - Implemented `CWG2918 Consideration of constraints for address of overloaded `
   `function <https://cplusplus.github.io/CWG/issues/2918.html>`_
 
+- Bumped the ``__cpp_constexpr`` feature-test macro to ``202002L`` in C++20 mode as indicated in
+  `P2493R0 <https://wg21.link/P2493R0>`_.
+
 C Language Changes
 ------------------
 
@@ -144,6 +150,9 @@ related warnings within the method body.
   ``__attribute__((model("large")))`` on non-TLS globals in x86-64 compilations.
   This forces the global to be considered small or large in regards to the
   x86-64 code model, regardless of the code model specified for the compilation.
+- Clang now emits a warning ``-Wreserved-init-priority`` instead of a hard error 
+  when ``__attribute__((init_priority(n)))`` is used with values of n in the 
+  reserved range [0, 100]. The warning will be treated as an error by default.
 
 - There is a new ``format_matches`` attribute to complement the existing
   ``format`` attribute. ``format_matches`` allows the compiler to verify that
@@ -237,6 +246,10 @@ Bug Fixes in This Version
   when it can affect template argument deduction (#GH122306).
 - Fix crash on code completion of function calls involving partial order of function templates
   (#GH125500).
+- Fixed clang crash when #embed data does not fit into an array
+  (#GH128987).
+- Non-local variable and non-variable declarations in the first clause of a ``for`` loop in C are no longer incorrectly
+  considered an error in C23 mode and are allowed as an extension in earlier language modes.
 
 Bug Fixes to Compiler Builtins
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -258,6 +271,8 @@ Bug Fixes to C++ Support
 - Clang is now better at keeping track of friend function template instance contexts. (#GH55509)
 - Clang now prints the correct instantiation context for diagnostics suppressed
   by template argument deduction.
+- Clang is now better at instantiating the function definition after its use inside
+  of a constexpr lambda. (#GH125747)
 - The initialization kind of elements of structured bindings
   direct-list-initialized from an array is corrected to direct-initialization.
 - Clang no longer crashes when a coroutine is declared ``[[noreturn]]``. (#GH127327)
@@ -348,6 +363,8 @@ Fixed Point Support in Clang
 AST Matchers
 ------------
 
+- Ensure ``isDerivedFrom`` matches the correct base in case more than one alias exists.
+
 clang-format
 ------------
 

clang/include/clang/AST/Type.h

@@ -2661,6 +2661,7 @@ class alignas(TypeAlignment) Type : public ExtQualsTypeCommonBase {
   bool isHLSLSpecificType() const; // Any HLSL specific type
   bool isHLSLBuiltinIntangibleType() const; // Any HLSL builtin intangible type
   bool isHLSLAttributedResourceType() const;
+  bool isHLSLResourceRecord() const;
   bool isHLSLIntangibleType()
       const; // Any HLSL intangible type (builtin, array, class)
 

clang/include/clang/Basic/AttrDocs.td

@@ -2828,8 +2828,8 @@ targets. This attribute may be attached to a function definition and instructs
 the backend to generate appropriate function entry/exit code so that it can be
 used directly as an interrupt service routine.
 
-Permissible values for this parameter are ``user``, ``supervisor``,
-and ``machine``. If there is no parameter, then it defaults to machine.
+Permissible values for this parameter are ``supervisor`` and ``machine``. If
+there is no parameter, then it defaults to ``machine``.
 
 Repeated interrupt attribute on the same declaration will cause a warning
 to be emitted. In case of repeated declarations, the last one prevails.

clang/include/clang/Basic/Builtins.td

@@ -4765,6 +4765,12 @@ def GetDeviceSideMangledName : LangBuiltin<"CUDA_LANG"> {
 }
 
 // HLSL
+def HLSLAddUint64: LangBuiltin<"HLSL_LANG"> {
+  let Spellings = ["__builtin_hlsl_adduint64"];
+  let Attributes = [NoThrow, Const];
+  let Prototype = "void(...)";
+}
+
 def HLSLResourceGetPointer : LangBuiltin<"HLSL_LANG"> {
   let Spellings = ["__builtin_hlsl_resource_getpointer"];
   let Attributes = [NoThrow];

clang/include/clang/Basic/BuiltinsAMDGPU.def

@@ -487,9 +487,6 @@ TARGET_BUILTIN(__builtin_amdgcn_s_barrier_signal, "vIi", "n", "gfx12-insts")
 TARGET_BUILTIN(__builtin_amdgcn_s_barrier_signal_var, "vv*i", "n", "gfx12-insts")
 TARGET_BUILTIN(__builtin_amdgcn_s_barrier_wait, "vIs", "n", "gfx12-insts")
 TARGET_BUILTIN(__builtin_amdgcn_s_barrier_signal_isfirst, "bIi", "n", "gfx12-insts")
-TARGET_BUILTIN(__builtin_amdgcn_s_barrier_init, "vv*i", "n", "gfx12-insts")
-TARGET_BUILTIN(__builtin_amdgcn_s_barrier_join, "vv*", "n", "gfx12-insts")
-TARGET_BUILTIN(__builtin_amdgcn_s_barrier_leave, "vIs", "n", "gfx12-insts")
 TARGET_BUILTIN(__builtin_amdgcn_s_get_barrier_state, "Uii", "n", "gfx12-insts")
 TARGET_BUILTIN(__builtin_amdgcn_s_get_named_barrier_state, "Uiv*", "n", "gfx12-insts")
 TARGET_BUILTIN(__builtin_amdgcn_s_prefetch_data, "vvC*Ui", "nc", "gfx12-insts")

clang/include/clang/Basic/DiagnosticSemaKinds.td

@@ -3343,6 +3343,9 @@ def err_attribute_argument_out_of_range : Error<
 def err_init_priority_object_attr : Error<
   "can only use 'init_priority' attribute on file-scope definitions "
   "of objects of class type">;
+def warn_init_priority_reserved : Warning<
+  "requested 'init_priority' %0 is reserved for internal use">,
+  InGroup<DiagGroup<"init-priority-reserved">>, DefaultError;
 def err_attribute_argument_out_of_bounds : Error<
   "%0 attribute parameter %1 is out of bounds">;
 def err_attribute_only_once_per_parameter : Error<
@@ -10706,6 +10709,11 @@ def err_vector_incorrect_num_elements : Error<
   "%select{too many|too few}0 elements in vector %select{initialization|operand}3 (expected %1 elements, have %2)">;
 def err_altivec_empty_initializer : Error<"expected initializer">;
 
+def err_vector_incorrect_bit_count : Error<
+  "incorrect number of bits in vector operand (expected %select{|a multiple of}0 %1 bits, have %2)">;
+def err_integer_incorrect_bit_count : Error<
+  "incorrect number of bits in integer (expected %0 bits, have %1)">;
+
 def err_invalid_neon_type_code : Error<
   "incompatible constant for this __builtin_neon function">;
 def err_argument_invalid_range : Error<
@@ -10794,6 +10802,23 @@ def err_non_local_variable_decl_in_for : Error<
   "declaration of non-local variable in 'for' loop">;
 def err_non_variable_decl_in_for : Error<
   "non-variable declaration in 'for' loop">;
+
+def ext_c23_non_local_variable_decl_in_for : Extension<
+  "declaration of non-local variable in 'for' loop is a C23 extension">,
+  InGroup<C23>;
+
+def warn_c17_non_local_variable_decl_in_for : Warning<
+  "declaration of non-local variable in 'for' loop is incompatible with C standards before C23">,
+  DefaultIgnore, InGroup<CPre23Compat>;
+
+def ext_c23_non_variable_decl_in_for : Extension<
+  "non-variable declaration in 'for' loop is a C23 extension">,
+  InGroup<C23>;
+
+def warn_c17_non_variable_decl_in_for : Warning<
+  "non-variable declaration in 'for' loop is incompatible with C standards before C23">,
+  DefaultIgnore, InGroup<CPre23Compat>;
+
 def err_toomany_element_decls : Error<
   "only one element declaration is allowed">;
 def err_selector_element_not_lvalue : Error<