Merge from 'main' to 'sycl-web' (128 commits)

  CONFLICT (content): Merge conflict in clang/tools/clang-offload-bundler/ClangOffloadBundler.cpp

Author: qichaogu

.github/workflows/libcxx-restart-preempted-jobs.yaml

@@ -145,7 +145,7 @@ jobs:
         with:
           script: |
             const FAILURE_REGEX = /Process completed with exit code 1./
-            const PREEMPTION_REGEX = /The runner has received a shutdown signal|The operation was canceled/
+            const PREEMPTION_REGEX = /(The runner has received a shutdown signal)|(The operation was canceled)/
 
             function log(msg) {
               core.notice(msg)

clang-tools-extra/clangd/index/dex/Dex.h

@@ -146,6 +146,8 @@ class Dex : public SymbolIndex {
   // Set of files which were used during this index build.
   llvm::StringSet<> Files;
   // Contents of the index (symbols, references, etc.)
+  // This is only populated if `Files` is, which applies to some but not all
+  // consumers of this class.
   IndexContents IdxContents = IndexContents::None;
   // Size of memory retained by KeepAlive.
   size_t BackingDataSize = 0;

clang/docs/LanguageExtensions.rst

@@ -648,7 +648,8 @@ elementwise to the input.
 Unless specified otherwise operation(±0) = ±0 and operation(±infinity) = ±infinity
 
 The integer elementwise intrinsics, including ``__builtin_elementwise_popcount``,
-``__builtin_elementwise_bitreverse``, can be called in a ``constexpr`` context.
+``__builtin_elementwise_bitreverse``, ``__builtin_elementwise_add_sat``,
+``__builtin_elementwise_sub_sat`` can be called in a ``constexpr`` context.
 
 ============================================== ====================================================================== =========================================
          Name                                   Operation                                                             Supported element types

clang/docs/RealtimeSanitizer.rst

@@ -196,7 +196,10 @@ A **partial** list of flags RealtimeSanitizer respects:
      - ``""``
      - path
      - If set to a valid suppressions file, will suppress issue reporting. See details in `Disabling and Suppressing`_.
-
+   * - ``verify_interceptors``
+     - ``true``
+     - boolean
+     - If true, verifies interceptors are working at initialization. The program will abort with error ``==ERROR: Interceptors are not working. This may be because RealtimeSanitizer is loaded too late (e.g. via dlopen)`` if an issue is detected.
 
 Some issues with flags can be debugged using the ``verbosity=$NUM`` flag:
 

clang/docs/ReleaseNotes.rst

@@ -408,12 +408,11 @@ Non-comprehensive list of changes in this release
   The flexible array member (FAM) can now be accessed immediately without causing
   issues with the sanitizer because the counter is automatically set.
 
-- ``__builtin_reduce_add`` function can now be used in constant expressions.
-- ``__builtin_reduce_mul`` function can now be used in constant expressions.
-- ``__builtin_reduce_and`` function can now be used in constant expressions.
-- ``__builtin_reduce_or`` and ``__builtin_reduce_xor`` functions can now be used in constant expressions.
-- ``__builtin_elementwise_popcount`` function can now be used in constant expressions.
-- ``__builtin_elementwise_bitreverse`` function can now be used in constant expressions.
+- The following builtins can now be used in constant expressions: ``__builtin_reduce_add``,
+  ``__builtin_reduce_mul``, ``__builtin_reduce_and``, ``__builtin_reduce_or``,
+  ``__builtin_reduce_xor``, ``__builtin_elementwise_popcount``,
+  ``__builtin_elementwise_bitreverse``, ``__builtin_elementwise_add_sat``,
+  ``__builtin_elementwise_sub_sat``.
 
 New Compiler Flags
 ------------------
@@ -528,6 +527,9 @@ Attribute Changes in Clang
 
 - The ``target_version`` attribute is now only supported for AArch64 and RISC-V architectures.
 
+- Clang now permits the usage of the placement new operator in ``[[msvc::constexpr]]``
+  context outside of the std namespace. (#GH74924)
+
 Improvements to Clang's diagnostics
 -----------------------------------
 
@@ -796,9 +798,11 @@ Bug Fixes to C++ Support
 - Fixed a bug where bounds of partially expanded pack indexing expressions were checked too early. (#GH116105)
 - Fixed an assertion failure caused by using ``consteval`` in condition in consumed analyses. (#GH117385)
 - Fix a crash caused by incorrect argument position in merging deduced template arguments. (#GH113659)
+- Fixed a parser crash when using pack indexing as a nested name specifier. (#GH119072) 
 - Fixed an assertion failure caused by mangled names with invalid identifiers. (#GH112205)
 - Fixed an incorrect lambda scope of generic lambdas that caused Clang to crash when computing potential lambda
   captures at the end of a full expression. (#GH115931)
+- Clang no longer rejects deleting a pointer of incomplete enumeration type. (#GH99278)
 
 Bug Fixes to AST Handling
 ^^^^^^^^^^^^^^^^^^^^^^^^^

clang/docs/tools/dump_format_help.py

@@ -57,6 +57,7 @@ def validate(text, columns):
 
 p = argparse.ArgumentParser()
 p.add_argument("-d", "--directory", help="directory of clang-format")
+p.add_argument("-o", "--output", help="path of output file")
 opts = p.parse_args()
 
 binary = "clang-format"
@@ -66,10 +67,10 @@ def validate(text, columns):
 help_text = get_help_text()
 validate(help_text, 100)
 
-with open(DOC_FILE) as f:
+with open(DOC_FILE, encoding="utf-8") as f:
     contents = f.read()
 
 contents = substitute(contents, "FORMAT_HELP", help_text)
 
-with open(DOC_FILE, "wb") as output:
+with open(opts.output if opts.output else DOC_FILE, "wb") as output:
     output.write(contents.encode())

clang/docs/tools/dump_format_style.py

@@ -3,6 +3,7 @@
 # documentation in ../ClangFormatStyleOptions.rst automatically.
 # Run from the directory in which this file is located to update the docs.
 
+import argparse
 import inspect
 import os
 import re
@@ -474,6 +475,10 @@ class State:
         return options
 
 
+p = argparse.ArgumentParser()
+p.add_argument("-o", "--output", help="path of output file")
+args = p.parse_args()
+
 with open(FORMAT_STYLE_FILE) as f:
     opts = OptionsReader(f).read_options()
 with open(INCLUDE_STYLE_FILE) as f:
@@ -487,6 +492,5 @@ class State:
 
 contents = substitute(contents, "FORMAT_STYLE_OPTIONS", options_text)
 
-output_file_path = sys.argv[1] if len(sys.argv) == 2 else DOC_FILE
-with open(output_file_path, "wb") as output:
+with open(args.output if args.output else DOC_FILE, "wb") as output:
     output.write(contents.encode())