[clang] Fix typos in documentation

Author: kazutakahirata

clang/docs/ControlFlowIntegrityDesign.rst

@@ -349,7 +349,7 @@ address point. Note that libraries like libcxxabi do assume this property.
 
 (2) virtual function entry layout property
 
-For each virtual function the distance between an virtual table entry for this function and the corresponding
+For each virtual function the distance between a virtual table entry for this function and the corresponding
 address point is always the same. This property ensures that dynamic dispatch still works with the interleaving layout.
 
 Note that the interleaving scheme in the CFI implementation guarantees both properties above whereas the original scheme proposed

clang/docs/LanguageExtensions.rst

@@ -2019,7 +2019,7 @@ would be +1. ``ns_returns_autoreleased`` specifies that the returned object is
 autorelease pool.
 
 **Usage**: The ``ns_consumed`` and ``cf_consumed`` attributes can be placed on
-an parameter declaration; they specify that the argument is expected to have a
+a parameter declaration; they specify that the argument is expected to have a
 +1 retain count, which will be balanced in some way by the function or method.
 The ``ns_consumes_self`` attribute can only be placed on an Objective-C
 method; it specifies that the method expects its ``self`` parameter to have a
@@ -3601,7 +3601,7 @@ scalar calls of ``__builtin_isfpclass`` applied to the input elementwise.
 The result of ``__builtin_isfpclass`` is a boolean value, if the first argument
 is a scalar, or an integer vector with the same element count as the first
 argument. The element type in this vector has the same bit length as the
-element of the the first argument type.
+element of the first argument type.
 
 This function never raises floating-point exceptions and does not canonicalize
 its input. The floating-point argument is not promoted, its data class is
@@ -4959,7 +4959,7 @@ Clang supports the following match rules:
 - ``record(unless(is_union))``: Can be used to apply attributes only to
  ``struct`` and ``class`` declarations.
 
-- ``enum``: Can be be used to apply attributes to enumeration declarations.
+- ``enum``: Can be used to apply attributes to enumeration declarations.
 
 - ``enum_constant``: Can be used to apply attributes to enumerators.
 

clang/docs/ReleaseNotes.rst

@@ -253,7 +253,7 @@ New Compiler Flags
  the preprocessed text to the output. This can greatly reduce the size of the
  preprocessed output, which can be helpful when trying to reduce a test case.
 * ``-fassume-nothrow-exception-dtor`` is added to assume that the destructor of
- an thrown exception object will not throw. The generated code for catch
+ a thrown exception object will not throw. The generated code for catch
  handlers will be smaller. A throw expression of a type with a
  potentially-throwing destructor will lead to an error.
 

clang/docs/SanitizerCoverage.rst

@@ -496,7 +496,7 @@ offsets in the corresponding binary/DSO that were executed during the run.
 Sancov Tool
 -----------
 
-An simple ``sancov`` tool is provided to process coverage files.
+A simple ``sancov`` tool is provided to process coverage files.
 The tool is part of LLVM project and is currently supported only on Linux.
 It can handle symbolization tasks autonomously without any extra support
 from the environment. You need to pass .sancov files (named