[clang-tools-extra] c178ada - Revert "Misleading unicode identifier detection pass"
via cfe-commits
cfe-commits at lists.llvm.org
Tue Nov 9 13:40:29 PST 2021
Author: serge-sans-paille
Date: 2021-11-09T22:40:18+01:00
New Revision: c178ada3c3f90d488d796e9d152039587daef320
URL: https://github.com/llvm/llvm-project/commit/c178ada3c3f90d488d796e9d152039587daef320
DIFF: https://github.com/llvm/llvm-project/commit/c178ada3c3f90d488d796e9d152039587daef320.diff
LOG: Revert "Misleading unicode identifier detection pass"
This reverts commit 7f92a1a84b96ff0b7568a35704c9483e9f24f057.
It triggers an assert, see http://45.33.8.238/linux/60293/step_9.txt
"AST/Decl.h:277: llvm::StringRef clang::NamedDecl::getName() const: Assertion `Name.isIdentifier() && "Name is not a simple identifier"' failed."
Added:
Modified:
clang-tools-extra/clang-tidy/misc/CMakeLists.txt
clang-tools-extra/clang-tidy/misc/MiscTidyModule.cpp
clang-tools-extra/docs/ReleaseNotes.rst
clang-tools-extra/docs/clang-tidy/checks/list.rst
clang-tools-extra/test/clang-tidy/check_clang_tidy.py
Removed:
clang-tools-extra/clang-tidy/misc/MisleadingIdentifier.cpp
clang-tools-extra/clang-tidy/misc/MisleadingIdentifier.h
clang-tools-extra/docs/clang-tidy/checks/misc-misleading-identifier.rst
clang-tools-extra/test/clang-tidy/checkers/misc-misleading-identifier.cpp
################################################################################
diff --git a/clang-tools-extra/clang-tidy/misc/CMakeLists.txt b/clang-tools-extra/clang-tidy/misc/CMakeLists.txt
index 22213481619c5..880b7aacdc65a 100644
--- a/clang-tools-extra/clang-tidy/misc/CMakeLists.txt
+++ b/clang-tools-extra/clang-tidy/misc/CMakeLists.txt
@@ -6,7 +6,6 @@ set(LLVM_LINK_COMPONENTS
add_clang_library(clangTidyMiscModule
DefinitionsInHeadersCheck.cpp
MiscTidyModule.cpp
- MisleadingIdentifier.cpp
MisplacedConstCheck.cpp
NewDeleteOverloadsCheck.cpp
NoRecursionCheck.cpp
diff --git a/clang-tools-extra/clang-tidy/misc/MiscTidyModule.cpp b/clang-tools-extra/clang-tidy/misc/MiscTidyModule.cpp
index 2defecc60741a..e06768c548bda 100644
--- a/clang-tools-extra/clang-tidy/misc/MiscTidyModule.cpp
+++ b/clang-tools-extra/clang-tidy/misc/MiscTidyModule.cpp
@@ -10,7 +10,6 @@
#include "../ClangTidyModule.h"
#include "../ClangTidyModuleRegistry.h"
#include "DefinitionsInHeadersCheck.h"
-#include "MisleadingIdentifier.h"
#include "MisplacedConstCheck.h"
#include "NewDeleteOverloadsCheck.h"
#include "NoRecursionCheck.h"
@@ -34,8 +33,6 @@ class MiscModule : public ClangTidyModule {
void addCheckFactories(ClangTidyCheckFactories &CheckFactories) override {
CheckFactories.registerCheck<DefinitionsInHeadersCheck>(
"misc-definitions-in-headers");
- CheckFactories.registerCheck<MisleadingIdentifierCheck>(
- "misc-misleading-identifier");
CheckFactories.registerCheck<MisplacedConstCheck>("misc-misplaced-const");
CheckFactories.registerCheck<NewDeleteOverloadsCheck>(
"misc-new-delete-overloads");
diff --git a/clang-tools-extra/clang-tidy/misc/MisleadingIdentifier.cpp b/clang-tools-extra/clang-tidy/misc/MisleadingIdentifier.cpp
deleted file mode 100644
index f9b30755a3cae..0000000000000
--- a/clang-tools-extra/clang-tidy/misc/MisleadingIdentifier.cpp
+++ /dev/null
@@ -1,163 +0,0 @@
-//===--- MisleadingIdentifier.cpp - clang-tidy-----------------------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#include "MisleadingIdentifier.h"
-
-#include "clang/Frontend/CompilerInstance.h"
-#include "llvm/Support/ConvertUTF.h"
-
-namespace clang {
-namespace tidy {
-namespace misc {
-
-// See https://www.unicode.org/Public/14.0.0/ucd/extracted/DerivedBidiClass.txt
-static bool isUnassignedAL(llvm::UTF32 CP) {
- return (0x0600 <= CP && CP <= 0x07BF) || (0x0860 <= CP && CP <= 0x08FF) ||
- (0xFB50 <= CP && CP <= 0xFDCF) || (0xFDF0 <= CP && CP <= 0xFDFF) ||
- (0xFE70 <= CP && CP <= 0xFEFF) ||
- (0x00010D00 <= CP && CP <= 0x00010D3F) ||
- (0x00010F30 <= CP && CP <= 0x00010F6F) ||
- (0x0001EC70 <= CP && CP <= 0x0001ECBF) ||
- (0x0001ED00 <= CP && CP <= 0x0001ED4F) ||
- (0x0001EE00 <= CP && CP <= 0x0001EEFF);
-}
-
-// See https://www.unicode.org/Public/14.0.0/ucd/extracted/DerivedBidiClass.txt
-static bool isUnassignedR(llvm::UTF32 CP) {
- return (0x0590 <= CP && CP <= 0x05FF) || (0x07C0 <= CP && CP <= 0x085F) ||
- (0xFB1D <= CP && CP <= 0xFB4F) ||
- (0x00010800 <= CP && CP <= 0x00010CFF) ||
- (0x00010D40 <= CP && CP <= 0x00010F2F) ||
- (0x00010F70 <= CP && CP <= 0x00010FFF) ||
- (0x0001E800 <= CP && CP <= 0x0001EC6F) ||
- (0x0001ECC0 <= CP && CP <= 0x0001ECFF) ||
- (0x0001ED50 <= CP && CP <= 0x0001EDFF) ||
- (0x0001EF00 <= CP && CP <= 0x0001EFFF);
-}
-
-// See https://www.unicode.org/Public/14.0.0/ucd/extracted/DerivedBidiClass.txt
-static bool isR(llvm::UTF32 CP) {
- return (CP == 0x0590) || (CP == 0x05BE) || (CP == 0x05C0) || (CP == 0x05C3) ||
- (CP == 0x05C6) || (0x05C8 <= CP && CP <= 0x05CF) ||
- (0x05D0 <= CP && CP <= 0x05EA) || (0x05EB <= CP && CP <= 0x05EE) ||
- (0x05EF <= CP && CP <= 0x05F2) || (0x05F3 <= CP && CP <= 0x05F4) ||
- (0x05F5 <= CP && CP <= 0x05FF) || (0x07C0 <= CP && CP <= 0x07C9) ||
- (0x07CA <= CP && CP <= 0x07EA) || (0x07F4 <= CP && CP <= 0x07F5) ||
- (CP == 0x07FA) || (0x07FB <= CP && CP <= 0x07FC) ||
- (0x07FE <= CP && CP <= 0x07FF) || (0x0800 <= CP && CP <= 0x0815) ||
- (CP == 0x081A) || (CP == 0x0824) || (CP == 0x0828) ||
- (0x082E <= CP && CP <= 0x082F) || (0x0830 <= CP && CP <= 0x083E) ||
- (CP == 0x083F) || (0x0840 <= CP && CP <= 0x0858) ||
- (0x085C <= CP && CP <= 0x085D) || (CP == 0x085E) || (CP == 0x085F) ||
- (CP == 0x200F) || (CP == 0xFB1D) || (0xFB1F <= CP && CP <= 0xFB28) ||
- (0xFB2A <= CP && CP <= 0xFB36) || (CP == 0xFB37) ||
- (0xFB38 <= CP && CP <= 0xFB3C) || (CP == 0xFB3D) || (CP == 0xFB3E) ||
- (CP == 0xFB3F) || (0xFB40 <= CP && CP <= 0xFB41) || (CP == 0xFB42) ||
- (0xFB43 <= CP && CP <= 0xFB44) || (CP == 0xFB45) ||
- (0xFB46 <= CP && CP <= 0xFB4F) || (0x10800 <= CP && CP <= 0x10805) ||
- (0x10806 <= CP && CP <= 0x10807) || (CP == 0x10808) ||
- (CP == 0x10809) || (0x1080A <= CP && CP <= 0x10835) ||
- (CP == 0x10836) || (0x10837 <= CP && CP <= 0x10838) ||
- (0x10839 <= CP && CP <= 0x1083B) || (CP == 0x1083C) ||
- (0x1083D <= CP && CP <= 0x1083E) || (0x1083F <= CP && CP <= 0x10855) ||
- (CP == 0x10856) || (CP == 0x10857) ||
- (0x10858 <= CP && CP <= 0x1085F) || (0x10860 <= CP && CP <= 0x10876) ||
- (0x10877 <= CP && CP <= 0x10878) || (0x10879 <= CP && CP <= 0x1087F) ||
- (0x10880 <= CP && CP <= 0x1089E) || (0x1089F <= CP && CP <= 0x108A6) ||
- (0x108A7 <= CP && CP <= 0x108AF) || (0x108B0 <= CP && CP <= 0x108DF) ||
- (0x108E0 <= CP && CP <= 0x108F2) || (CP == 0x108F3) ||
- (0x108F4 <= CP && CP <= 0x108F5) || (0x108F6 <= CP && CP <= 0x108FA) ||
- (0x108FB <= CP && CP <= 0x108FF) || (0x10900 <= CP && CP <= 0x10915) ||
- (0x10916 <= CP && CP <= 0x1091B) || (0x1091C <= CP && CP <= 0x1091E) ||
- (0x10920 <= CP && CP <= 0x10939) || (0x1093A <= CP && CP <= 0x1093E) ||
- (CP == 0x1093F) || (0x10940 <= CP && CP <= 0x1097F) ||
- (0x10980 <= CP && CP <= 0x109B7) || (0x109B8 <= CP && CP <= 0x109BB) ||
- (0x109BC <= CP && CP <= 0x109BD) || (0x109BE <= CP && CP <= 0x109BF) ||
- (0x109C0 <= CP && CP <= 0x109CF) || (0x109D0 <= CP && CP <= 0x109D1) ||
- (0x109D2 <= CP && CP <= 0x109FF) || (CP == 0x10A00) ||
- (CP == 0x10A04) || (0x10A07 <= CP && CP <= 0x10A0B) ||
- (0x10A10 <= CP && CP <= 0x10A13) || (CP == 0x10A14) ||
- (0x10A15 <= CP && CP <= 0x10A17) || (CP == 0x10A18) ||
- (0x10A19 <= CP && CP <= 0x10A35) || (0x10A36 <= CP && CP <= 0x10A37) ||
- (0x10A3B <= CP && CP <= 0x10A3E) || (0x10A40 <= CP && CP <= 0x10A48) ||
- (0x10A49 <= CP && CP <= 0x10A4F) || (0x10A50 <= CP && CP <= 0x10A58) ||
- (0x10A59 <= CP && CP <= 0x10A5F) || (0x10A60 <= CP && CP <= 0x10A7C) ||
- (0x10A7D <= CP && CP <= 0x10A7E) || (CP == 0x10A7F) ||
- (0x10A80 <= CP && CP <= 0x10A9C) || (0x10A9D <= CP && CP <= 0x10A9F) ||
- (0x10AA0 <= CP && CP <= 0x10ABF) || (0x10AC0 <= CP && CP <= 0x10AC7) ||
- (CP == 0x10AC8) || (0x10AC9 <= CP && CP <= 0x10AE4) ||
- (0x10AE7 <= CP && CP <= 0x10AEA) || (0x10AEB <= CP && CP <= 0x10AEF) ||
- (0x10AF0 <= CP && CP <= 0x10AF6) || (0x10AF7 <= CP && CP <= 0x10AFF) ||
- (0x10B00 <= CP && CP <= 0x10B35) || (0x10B36 <= CP && CP <= 0x10B38) ||
- (0x10B40 <= CP && CP <= 0x10B55) || (0x10B56 <= CP && CP <= 0x10B57) ||
- (0x10B58 <= CP && CP <= 0x10B5F) || (0x10B60 <= CP && CP <= 0x10B72) ||
- (0x10B73 <= CP && CP <= 0x10B77) || (0x10B78 <= CP && CP <= 0x10B7F) ||
- (0x10B80 <= CP && CP <= 0x10B91) || (0x10B92 <= CP && CP <= 0x10B98) ||
- (0x10B99 <= CP && CP <= 0x10B9C) || (0x10B9D <= CP && CP <= 0x10BA8) ||
- (0x10BA9 <= CP && CP <= 0x10BAF) || (0x10BB0 <= CP && CP <= 0x10BFF) ||
- (0x10C00 <= CP && CP <= 0x10C48) || (0x10C49 <= CP && CP <= 0x10C7F) ||
- (0x10C80 <= CP && CP <= 0x10CB2) || (0x10CB3 <= CP && CP <= 0x10CBF) ||
- (0x10CC0 <= CP && CP <= 0x10CF2) || (0x10CF3 <= CP && CP <= 0x10CF9) ||
- (0x10CFA <= CP && CP <= 0x10CFF) || (0x10D40 <= CP && CP <= 0x10E5F) ||
- (CP == 0x10E7F) || (0x10E80 <= CP && CP <= 0x10EA9) ||
- (CP == 0x10EAA) || (CP == 0x10EAD) ||
- (0x10EAE <= CP && CP <= 0x10EAF) || (0x10EB0 <= CP && CP <= 0x10EB1) ||
- (0x10EB2 <= CP && CP <= 0x10EFF) || (0x10F00 <= CP && CP <= 0x10F1C) ||
- (0x10F1D <= CP && CP <= 0x10F26) || (CP == 0x10F27) ||
- (0x10F28 <= CP && CP <= 0x10F2F) || (0x10F70 <= CP && CP <= 0x10F81) ||
- (0x10F86 <= CP && CP <= 0x10F89) || (0x10F8A <= CP && CP <= 0x10FAF) ||
- (0x10FB0 <= CP && CP <= 0x10FC4) || (0x10FC5 <= CP && CP <= 0x10FCB) ||
- (0x10FCC <= CP && CP <= 0x10FDF) || (0x10FE0 <= CP && CP <= 0x10FF6) ||
- (0x10FF7 <= CP && CP <= 0x10FFF) || (0x1E800 <= CP && CP <= 0x1E8C4) ||
- (0x1E8C5 <= CP && CP <= 0x1E8C6) || (0x1E8C7 <= CP && CP <= 0x1E8CF) ||
- (0x1E8D7 <= CP && CP <= 0x1E8FF) || (0x1E900 <= CP && CP <= 0x1E943) ||
- (CP == 0x1E94B) || (0x1E94C <= CP && CP <= 0x1E94F) ||
- (0x1E950 <= CP && CP <= 0x1E959) || (0x1E95A <= CP && CP <= 0x1E95D) ||
- (0x1E95E <= CP && CP <= 0x1E95F) || (0x1E960 <= CP && CP <= 0x1EC6F) ||
- (0x1ECC0 <= CP && CP <= 0x1ECFF) || (0x1ED50 <= CP && CP <= 0x1EDFF);
-}
-
-static bool hasRTLCharacters(StringRef Buffer) {
- const char *CurPtr = Buffer.begin();
- const char *EndPtr = Buffer.end();
- while (CurPtr < EndPtr) {
- llvm::UTF32 CodePoint;
- llvm::ConversionResult Result = llvm::convertUTF8Sequence(
- (const llvm::UTF8 **)&CurPtr, (const llvm::UTF8 *)EndPtr, &CodePoint,
- llvm::strictConversion);
- if (Result != llvm::conversionOK)
- break;
- if (isUnassignedAL(CodePoint) || isUnassignedR(CodePoint) || isR(CodePoint))
- return true;
- }
- return false;
-}
-
-MisleadingIdentifierCheck::MisleadingIdentifierCheck(StringRef Name,
- ClangTidyContext *Context)
- : ClangTidyCheck(Name, Context) {}
-
-MisleadingIdentifierCheck::~MisleadingIdentifierCheck() = default;
-
-void MisleadingIdentifierCheck::check(
- const ast_matchers::MatchFinder::MatchResult &Result) {
- if (const auto *ND = Result.Nodes.getNodeAs<NamedDecl>("nameddecl")) {
- StringRef NDName = ND->getName();
- if (hasRTLCharacters(NDName))
- diag(ND->getBeginLoc(), "identifier has right-to-left codepoints");
- }
-}
-
-void MisleadingIdentifierCheck::registerMatchers(
- ast_matchers::MatchFinder *Finder) {
- Finder->addMatcher(ast_matchers::namedDecl().bind("nameddecl"), this);
-}
-
-} // namespace misc
-} // namespace tidy
-} // namespace clang
diff --git a/clang-tools-extra/clang-tidy/misc/MisleadingIdentifier.h b/clang-tools-extra/clang-tidy/misc/MisleadingIdentifier.h
deleted file mode 100644
index 9580ae6252714..0000000000000
--- a/clang-tools-extra/clang-tidy/misc/MisleadingIdentifier.h
+++ /dev/null
@@ -1,31 +0,0 @@
-//===--- MisleadingIdentifierCheck.h - clang-tidy ---------------*- C++ -*-===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_MISLEADINGIDENTIFIERCHECK_H
-#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_MISLEADINGIDENTIFIERCHECK_H
-
-#include "../ClangTidyCheck.h"
-
-namespace clang {
-namespace tidy {
-namespace misc {
-
-class MisleadingIdentifierCheck : public ClangTidyCheck {
-public:
- MisleadingIdentifierCheck(StringRef Name, ClangTidyContext *Context);
- ~MisleadingIdentifierCheck();
-
- void registerMatchers(ast_matchers::MatchFinder *Finder) override;
- void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
-};
-
-} // namespace misc
-} // namespace tidy
-} // namespace clang
-
-#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_MISLEADINGIDENTIFIERCHECK_H
diff --git a/clang-tools-extra/docs/ReleaseNotes.rst b/clang-tools-extra/docs/ReleaseNotes.rst
index 0019f574802fd..41934d8fb9055 100644
--- a/clang-tools-extra/docs/ReleaseNotes.rst
+++ b/clang-tools-extra/docs/ReleaseNotes.rst
@@ -101,15 +101,12 @@ New checks
Reports identifiers whose names are too short. Currently checks local
variables and function parameters only.
+
- New :doc:`readability-data-pointer <clang-tidy/checks/readability-data-pointer>` check.
Finds cases where code could use ``data()`` rather than the address of the
element at index 0 in a container.
-- New :doc:`misc-misleading-identifier <clang-tidy/checks/misc-misleading-identifier>` check.
-
- Reports identifier with unicode right-to-left characters.
-
New check aliases
^^^^^^^^^^^^^^^^^
diff --git a/clang-tools-extra/docs/clang-tidy/checks/list.rst b/clang-tools-extra/docs/clang-tidy/checks/list.rst
index 80a9639c2dddc..c9b4daf42ef04 100644
--- a/clang-tools-extra/docs/clang-tidy/checks/list.rst
+++ b/clang-tools-extra/docs/clang-tidy/checks/list.rst
@@ -212,7 +212,6 @@ Clang-Tidy Checks
`llvmlibc-implementation-in-namespace <llvmlibc-implementation-in-namespace.html>`_,
`llvmlibc-restrict-system-libc-headers <llvmlibc-restrict-system-libc-headers.html>`_, "Yes"
`misc-definitions-in-headers <misc-definitions-in-headers.html>`_, "Yes"
- `misc-misleading-identifier <misc-mileading-identifier.html>`_,
`misc-misplaced-const <misc-misplaced-const.html>`_,
`misc-new-delete-overloads <misc-new-delete-overloads.html>`_,
`misc-no-recursion <misc-no-recursion.html>`_,
@@ -450,4 +449,4 @@ Clang-Tidy Checks
`hicpp-vararg <hicpp-vararg.html>`_, `cppcoreguidelines-pro-type-vararg <cppcoreguidelines-pro-type-vararg.html>`_,
`llvm-else-after-return <llvm-else-after-return.html>`_, `readability-else-after-return <readability-else-after-return.html>`_, "Yes"
`llvm-qualified-auto <llvm-qualified-auto.html>`_, `readability-qualified-auto <readability-qualified-auto.html>`_, "Yes"
-
+
\ No newline at end of file
diff --git a/clang-tools-extra/docs/clang-tidy/checks/misc-misleading-identifier.rst b/clang-tools-extra/docs/clang-tidy/checks/misc-misleading-identifier.rst
deleted file mode 100644
index 8bd99998d9b50..0000000000000
--- a/clang-tools-extra/docs/clang-tidy/checks/misc-misleading-identifier.rst
+++ /dev/null
@@ -1,23 +0,0 @@
-.. title:: clang-tidy - misc-misleading-identifier
-
-misc-misleading-identifier
-==========================
-
-Finds identifiers that contain Unicode characters with right-to-left direction,
-which can be confusing as they may change the understanding of a whole statement
-line, as described in `Trojan Source <https://trojansource.codes>`_.
-
-An example of such misleading code follows:
-
-.. code-block:: c
-
- #include <stdio.h>
-
- short int א = (short int)0;
- short int ג = (short int)12345;
-
- int main() {
- int א = ג; // a local variable, set to zero?
- printf("ג is %d\n", ג);
- printf("א is %d\n", א);
- }
diff --git a/clang-tools-extra/test/clang-tidy/check_clang_tidy.py b/clang-tools-extra/test/clang-tidy/check_clang_tidy.py
index 4edae67f70763..5ebe3a1c14911 100755
--- a/clang-tools-extra/test/clang-tidy/check_clang_tidy.py
+++ b/clang-tools-extra/test/clang-tidy/check_clang_tidy.py
@@ -34,7 +34,7 @@
def write_file(file_name, text):
- with open(file_name, 'w', encoding='utf-8') as f:
+ with open(file_name, 'w') as f:
f.write(text)
f.truncate()
@@ -82,7 +82,7 @@ def run_test_once(args, extra_args):
if resource_dir is not None:
clang_extra_args.append('-resource-dir=%s' % resource_dir)
- with open(input_file_name, 'r', encoding='utf-8') as input_file:
+ with open(input_file_name, 'r') as input_file:
input_text = input_file.read()
check_fixes_prefixes = []
@@ -150,9 +150,9 @@ def run_test_once(args, extra_args):
print('clang-tidy failed:\n' + e.output.decode())
raise
- print('------------------------ clang-tidy output -----------------------')
- print(clang_tidy_output.encode())
- print('\n------------------------------------------------------------------')
+ print('------------------------ clang-tidy output -----------------------\n' +
+ clang_tidy_output +
+ '\n------------------------------------------------------------------')
try:
diff _output = subprocess.check_output(
diff --git a/clang-tools-extra/test/clang-tidy/checkers/misc-misleading-identifier.cpp b/clang-tools-extra/test/clang-tidy/checkers/misc-misleading-identifier.cpp
deleted file mode 100644
index cb036f96dfee1..0000000000000
--- a/clang-tools-extra/test/clang-tidy/checkers/misc-misleading-identifier.cpp
+++ /dev/null
@@ -1,15 +0,0 @@
-// RUN: %check_clang_tidy %s misc-misleading-identifier %t
-
-#include <stdio.h>
-
-// CHECK-MESSAGES: :[[#@LINE+1]]:1: warning: identifier has right-to-left codepoints [misc-misleading-identifier]
-short int א = (short int)0;
-// CHECK-MESSAGES: :[[#@LINE+1]]:1: warning: identifier has right-to-left codepoints [misc-misleading-identifier]
-short int ג = (short int)12345;
-
-int main() {
- // CHECK-MESSAGES: :[[#@LINE+1]]:3: warning: identifier has right-to-left codepoints [misc-misleading-identifier]
- int א = ג; // a local variable, set to zero?
- printf("ג is %d\n", ג);
- printf("א is %d\n", א);
-}
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