forked from OSchip/llvm-project
The release notes for ObjCBreakBeforeNestedBlockParam was placed between the release note for IndentCaseBlocks and its example code
Remove other whitespace and line limit issues and double blank line issues
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mydeveloperday
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@ -67,8 +67,9 @@ Non-comprehensive list of changes in this release
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- clang adds support for a set of extended integer types (``_ExtInt(N)``) that
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permit non-power of 2 integers, exposing the LLVM integer types. Since a major
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motivating use case for these types is to limit 'bit' usage, these types don't
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automatically promote to 'int' when operations are done between two ``ExtInt(N)``
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types, instead math occurs at the size of the largest ``ExtInt(N)`` type.
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automatically promote to 'int' when operations are done between two
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``ExtInt(N)`` types, instead math occurs at the size of the largest
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``ExtInt(N)`` type.
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- Users of UBSan, PGO, and coverage on Windows will now need to add clang's
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library resource directory to their library search path. These features all
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@ -81,17 +82,15 @@ Non-comprehensive list of changes in this release
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linker. If the user links the program with the ``clang`` or ``clang-cl``
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drivers, the driver will pass this flag for them.
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New Compiler Flags
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------------------
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- -fstack-clash-protection will provide a protection against the stack clash
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attack for x86 architecture through automatic probing of each page of
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allocated stack.
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- -ffp-exception-behavior={ignore,maytrap,strict} allows the user to specify
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the floating-point exception behavior. The default setting is ``ignore``.
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the floating-point exception behavior. The default setting is ``ignore``.
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- -ffp-model={precise,strict,fast} provides the user an umbrella option to
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simplify access to the many single purpose floating point options. The default
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@ -110,11 +109,11 @@ Modified Compiler Flags
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- -fno-common has been enabled as the default for all targets. Therefore, C
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code that uses tentative definitions as definitions of a variable in multiple
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translation units will trigger multiple-definition linker errors. Generally,
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this occurs when the use of the ``extern`` keyword is neglected in the declaration
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of a variable in a header file. In some cases, no specific translation unit
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provides a definition of the variable. The previous behavior can be restored by
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specifying ``-fcommon``.
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translation units will trigger multiple-definition linker errors. Generally,
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this occurs when the use of the ``extern`` keyword is neglected in the
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declaration of a variable in a header file. In some cases, no specific
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translation unit provides a definition of the variable. The previous
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behavior can be restored by specifying ``-fcommon``.
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- -Wasm-ignored-qualifier (ex. `asm const ("")`) has been removed and replaced
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with an error (this matches a recent change in GCC-9).
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- -Wasm-file-asm-volatile (ex. `asm volatile ("")` at global scope) has been
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@ -176,7 +175,7 @@ C++ Language Changes in Clang
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Previous versions of Clang rejected some constructs of this form
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(specifically, where the linkage of the type happened to be computed
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before the parser reached the typedef name); those cases are still rejected
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in Clang 11. In addition, cases that previous versions of Clang did not
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in Clang 11. In addition, cases that previous versions of Clang did not
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reject now produce an extension warning. This warning can be disabled with
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the warning flag ``-Wno-non-c-typedef-for-linkage``.
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@ -207,7 +206,6 @@ C++1z Feature Support
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Objective-C Language Changes in Clang
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-------------------------------------
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OpenCL C Language Changes in Clang
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----------------------------------
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@ -216,7 +214,6 @@ OpenCL C Language Changes in Clang
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ABI Changes in Clang
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--------------------
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OpenMP Support in Clang
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-----------------------
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@ -234,7 +231,6 @@ These are major API changes that have happened since the 10.0.0 release of
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Clang. If upgrading an external codebase that uses Clang as a library,
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this section should help get you past the largest hurdles of upgrading.
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Build System Changes
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--------------------
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@ -255,15 +251,11 @@ AST Matchers
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clang-format
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------------
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- Option ``IndentCaseBlocks`` has been added to support treating the block
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following a switch case label as a scope block which gets indented itself.
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It helps avoid having the closing bracket align with the switch statement's
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closing bracket (when ``IndentCaseLabels`` is ``false``).
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- Option ``ObjCBreakBeforeNestedBlockParam`` has been added to optionally apply
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linebreaks for function arguments declarations before nested blocks.
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.. code-block:: c++
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switch (fool) { vs. switch (fool) {
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@ -278,6 +270,9 @@ clang-format
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}
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}
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- Option ``ObjCBreakBeforeNestedBlockParam`` has been added to optionally apply
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linebreaks for function arguments declarations before nested blocks.
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- Option ``InsertTrailingCommas`` can be set to ``TCS_Wrapped`` to insert
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trailing commas in container literals (arrays and objects) that wrap across
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multiple lines. It is currently only available for JavaScript and disabled by
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@ -317,7 +312,6 @@ Static Analyzer
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Undefined Behavior Sanitizer (UBSan)
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------------------------------------
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Core Analysis Improvements
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==========================
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