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Aaron Ballman 7068aa9841 Strengthen -Wint-conversion to default to an error 
Clang has traditionally allowed C programs to implicitly convert
integers to pointers and pointers to integers, despite it not being
valid to do so except under special circumstances (like converting the
integer 0, which is the null pointer constant, to a pointer). In C89,
this would result in undefined behavior per 3.3.4, and in C99 this rule
was strengthened to be a constraint violation instead. Constraint
violations are most often handled as an error.

This patch changes the warning to default to an error in all C modes
(it is already an error in C++). This gives us better security posture
by calling out potential programmer mistakes in code but still allows
users who need this behavior to use -Wno-error=int-conversion to retain
the warning behavior, or -Wno-int-conversion to silence the diagnostic
entirely.

Differential Revision: https://reviews.llvm.org/D129881
 		2022-07-22 15:24:54 -04:00
..
CommandGuide [docs] Update supported language standards list for C++ 2022-06-09 22:14:08 +09:00
DataFlowAnalysisIntroImages [clang][docs][dataflow] Added an introduction to dataflow analysis 2021-12-06 12:16:35 +01:00
analyzer [analyzer] Add new function `clang_analyzer_value` to ExprInspectionChecker 2022-07-15 20:07:04 +03:00
tools [clang][dataflow] Move NoopAnalysis from unittests to include 2022-07-22 14:11:32 +00:00
APINotes.rst [docs][clang] Fix a broken link on the APINotes doc 2022-06-12 22:53:32 +09:00
AddressSanitizer.rst [asan] Enable detect_stack_use_after_return=1 by default on Linux 2022-04-28 21:08:16 -07:00
AutomaticReferenceCounting.rst [clang] Document objc_unsafeClaimAutoreleasedReturnValue. 2022-02-08 14:30:39 -08:00
Block-ABI-Apple.rst [NFC] Trim trailing whitespace in *.rst 2021-11-15 09:17:08 +08:00
BlockLanguageSpec.rst
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CMakeLists.txt
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ClangCheck.rst
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ClangCommandLineReference.rst [clang] Add a new flag -fexperimental-library to enable experimental library features 2022-07-19 15:04:58 -04:00
ClangFormat.rst [docs] Document git-clang-format 2022-07-13 21:06:00 -04:00
ClangFormatStyleOptions.rst [clang-format][docs] Fix incorrect 'clang-format 7' option markers 2022-07-16 18:19:11 +02:00
ClangFormattedStatus.rst [mlir] Remove VectorToROCDL 2022-07-12 15:21:22 +00:00
ClangLinkerWrapper.rst [Clang][Docs] Update the clang-linker-wrapper documentation. 2022-07-08 14:30:07 -04:00
ClangNvlinkWrapper.rst [NFC] Trim trailing whitespace in *.rst 2021-11-15 09:17:08 +08:00
ClangOffloadBundler.rst [clang][NFC] Fix Typo 2022-01-28 11:55:46 -08:00
ClangOffloadPackager.rst [CommandLine] --help: print "-o <xxx>" instead of "-o=<xxx>" 2022-07-14 01:28:28 -07:00
ClangOffloadWrapper.rst [CommandLine] --help: print "-o <xxx>" instead of "-o=<xxx>" 2022-07-14 01:28:28 -07:00
ClangPlugins.rst [docs] Add note about interaction between clang plugins and -clear-ast-before-backend 2022-02-28 12:53:09 -08:00
ClangStaticAnalyzer.rst
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ClangTools.rst
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ClangTransformerTutorial.rst Add a clang-transformer tutorial 2021-11-17 13:40:46 +00:00
ConstantInterpreter.rst
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ControlFlowIntegrity.rst [NFC] Trim trailing whitespace in *.rst 2021-11-15 09:17:08 +08:00
ControlFlowIntegrityDesign.rst [NFC] Trim trailing whitespace in *.rst 2021-11-15 09:17:08 +08:00
CrossCompilation.rst
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DataFlowAnalysisIntro.md [analyzer][NFC] Merge similar conditional paths 2022-03-07 22:05:27 +05:30
DataFlowSanitizer.rst Update all LLVM documentation mentioning runtimes in LLVM_ENABLE_PROJECTS 2022-02-10 15:05:23 -05:00
DataFlowSanitizerDesign.rst [clang] Fix typos in documentation (NFC) 2021-08-21 12:17:58 -07:00
DebuggingCoroutines.rst Fix the Clang sphinx bot 2022-07-08 07:23:40 -04:00
DriverArchitecture.png
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DriverInternals.rst
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ExternalClangExamples.rst Update references to Discourse instead of the mailing lists. 2022-07-08 11:16:47 -07:00
FAQ.rst
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HLSLSupport.rst [Clang] [Docs] Add HLSLSupport page 2022-04-08 12:17:45 -05:00
HardwareAssistedAddressSanitizerDesign.rst [HWASan] Mention x86_64 aliasing mode in design doc. 2021-03-25 14:22:20 -07:00
HowToSetupToolingForLLVM.rst [tooling] Explain how to create a compilation database on Windows [NFC] 2022-03-04 13:06:08 -07:00
InternalsManual.rst Update references to Discourse instead of the mailing lists. 2022-07-08 11:16:47 -07:00
IntroductionToTheClangAST.rst [clang] Fix typos in documentation (NFC) 2021-08-21 12:17:58 -07:00
ItaniumMangleAbiTags.rst
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JSONCompilationDatabase.rst [docs] [clang] Small documentation change for compilation databases 2022-01-22 17:30:34 -08:00
LTOVisibility.rst [clang] Don't emit type test/assume for virtual classes that should never participate in WPD 2022-06-16 09:38:14 -07:00
LanguageExtensions.rst [X86] Support `_Float16` on SSE2 and up 2022-06-30 17:21:37 +08:00
LeakSanitizer.rst [lsan][docs] Clarify supported platforms 2021-04-21 10:27:55 -07:00
LibASTImporter.rst Update LibASTImporter.rst 2022-06-26 19:22:52 +05:30
LibASTMatchers.rst
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LibASTMatchersReference.html [ASTMatchers] Adding a new matcher for callee declarations of Obj-C 2022-07-21 13:35:31 -07:00
LibASTMatchersTutorial.rst [Documentation] Fixed typos in LibASTMatchers tutorial 2022-06-10 10:22:36 +02:00
LibFormat.rst [NFC] Inclusive language: Remove instances of master in URLs 2021-11-05 08:48:41 -05:00
LibTooling.rst
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MSVCCompatibility.rst
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MatrixTypes.rst Fix "the the" typo in documentation and user facing strings 2022-05-05 17:52:08 +02:00
MemorySanitizer.rst [msan] Update Use-after-destruction documentation 2022-04-21 14:02:02 -07:00
MisExpect.rst [misexpect] Re-implement MisExpect Diagnostics 2022-04-19 21:23:48 +00:00
Modules.rst [NFC] Trim trailing whitespace in *.rst 2021-11-15 09:17:08 +08:00
ObjectiveCLiterals.rst
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OffloadingDesign.rst [docs][clang] Fixing minor typo 2022-06-08 23:35:11 +00:00
OpenCLSupport.rst Update references to Discourse instead of the mailing lists. 2022-07-08 11:16:47 -07:00
OpenMPSupport.rst [OpenMP][NFC] Claim iterators in 'map' clause and motion clauses 2022-07-21 15:50:22 -05:00
PCHInternals.rst
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PCHLayout.graffle
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PCHLayout.png
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RAVFrontendAction.rst [NFC] Trim trailing whitespace in *.rst 2021-11-15 09:17:08 +08:00
README.txt
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RefactoringEngine.rst
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ReleaseNotes.rst Strengthen -Wint-conversion to default to an error 2022-07-22 15:24:54 -04:00
SYCLSupport.rst [SYCL] Enable `opencl_global_[host,device]` attributes for SYCL 2021-05-18 10:27:35 +03:00
SafeStack.rst [Clang][Doc][SafeStack] Fix deadlink (NFC) 2022-06-11 10:59:51 -04:00
SanitizerCoverage.rst [NFC] Trim trailing whitespace in *.rst 2021-11-15 09:17:08 +08:00
SanitizerSpecialCaseList.rst [sanitizer] Add "mainfile" prefix to sanitizer special case list 2022-07-15 10:39:26 -07:00
SanitizerStats.rst
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ShadowCallStack.rst
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SourceBasedCodeCoverage.rst Coverage: Document how to collect a profile without a filesystem 2021-04-22 11:29:39 -07:00
ThinLTO.rst [clang] Fix sentence in the usage section of ThinLTO docs. 2021-09-30 07:26:19 +05:30
ThreadSafetyAnalysis.rst [clang][docs] Inclusive language: remove use of sanity check in option description 2021-11-30 15:07:43 -05:00
ThreadSanitizer.rst [tsan] Add support for disable_sanitizer_instrumentation attribute 2021-08-23 12:38:33 +02:00
Toolchain.rst Update all LLVM documentation mentioning runtimes in LLVM_ENABLE_PROJECTS 2022-02-10 15:05:23 -05:00
Tooling.rst
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UndefinedBehaviorSanitizer.rst Fix "the the" typo in documentation and user facing strings 2022-05-05 17:52:08 +02:00
UsersManual.rst [clang] Document -femit-compact-unwind option in the User’s Manual 2022-07-14 16:50:36 -04:00
conf.py [docs] Remove hard-coded version numbers from sphinx configs 2022-02-01 23:14:12 -08:00
doxygen-mainpage.dox
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doxygen.cfg.in [NFC] Inclusive Language: change master to main for .chm files 2021-11-08 08:23:04 -06:00
index.rst [docs] Add document "Debugging C++ Coroutines" 2022-07-08 11:29:00 +08:00
make.bat
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README.txt 

See llvm/docs/README.txt