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clang crashes in clang/lib/AST/ExprConstant.cpp:14737 Assertion `!isValueDependent() && "Expression evaluator can't be called on a dependent expression."' failed #49570

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@haoxintu

Description

@haoxintu
Bugzilla Link 50226
Version trunk
OS Linux
CC @chengniansun,@zygoloid

Extended Description

Hi all.

The small program emits one error then crashes. This crash only occurs in the current trunk of clang, so I guess clang should be more friendly and exit normally in this case?

$cat small.c

#include <emmintrin.h>
#include <stdint.h>
int8_t c_7;
void foo() {
  __m128i b;
  b != ((c_7 = b? : 2) ?: 0);
}
$clang small.c
small.c:6:17: error: used type '__m128i' (vector of 2 'long long' values) where arithmetic or pointer type is required
  b != ((c_7 = b? : 2) ?: 0);
               ~^
clang-13: /home/haoxin/haoxin-data/dut-research/compilers/llvm-project/clang/lib/AST/ExprConstant.cpp:14737: bool clang::Expr::EvaluateAsInt(clang::Expr::EvalResult&, const clang::ASTContext&, clang::Expr::SideEffectsKind, bool) const: Assertion `!isValueDependent() && "Expression evaluator can't be called on a dependent expression."' failed.
PLEASE submit a bug report to https://bugs.llvm.org/ and include the crash backtrace, preprocessed source, and associated run script.
Stack dump:
0.	Program arguments: /media/haoxin/SeagateData/haoxin-data/dut-research/compilers/llvm-project/build-20210502/bin/clang-13 -cc1 -triple x86_64-unknown-linux-gnu -emit-obj -mrelax-all --mrelax-relocations -disable-free -main-file-name small.c -mrelocation-model static -mframe-pointer=all -fmath-errno -fno-rounding-math -mconstructor-aliases -munwind-tables -target-cpu x86-64 -tune-cpu generic -debugger-tuning=gdb -fcoverage-compilation-dir=/home/haoxin/haoxin-data/dut-research/CovSmith/front-end-bugs -resource-dir /media/haoxin/SeagateData/haoxin-data/dut-research/compilers/llvm-project/build-20210502/lib/clang/13.0.0 -c-isystem /usr/local/include/csmith-2.3.0/ -internal-isystem /media/haoxin/SeagateData/haoxin-data/dut-research/compilers/llvm-project/build-20210502/lib/clang/13.0.0/include -internal-isystem /usr/local/include -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/8/../../../../x86_64-linux-gnu/include -internal-externc-isystem /usr/include/x86_64-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -fdebug-compilation-dir=/home/haoxin/haoxin-data/dut-research/CovSmith/front-end-bugs -ferror-limit 19 -fgnuc-version=4.2.1 -fcolor-diagnostics -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o /tmp/small-5b6db7.o -x c small.c
1.	small.c:6:29: current parser token ';'
2.	small.c:4:12: parsing function body 'foo'
3.	small.c:4:12: in compound statement ('{}')
 #&#8203;0 0x000055c1d9c2981c llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/media/haoxin/SeagateData/haoxin-data/dut-research/compilers/llvm-project/build-20210502/bin/clang-13+0x363681c)
 #&#8203;1 0x000055c1d9c276d4 llvm::sys::RunSignalHandlers() (/media/haoxin/SeagateData/haoxin-data/dut-research/compilers/llvm-project/build-20210502/bin/clang-13+0x36346d4)
 #&#8203;2 0x000055c1d9c27843 SignalHandler(int) Signals.cpp:0:0
 #&#8203;3 0x00007fe5024ce980 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x12980)
 #&#8203;4 0x00007fe50117ffb7 raise /build/glibc-S9d2JN/glibc-2.27/signal/../sysdeps/unix/sysv/linux/raise.c:51:0
 #&#8203;5 0x00007fe501181921 abort /build/glibc-S9d2JN/glibc-2.27/stdlib/abort.c:81:0
 #&#8203;6 0x00007fe50117148a __assert_fail_base /build/glibc-S9d2JN/glibc-2.27/assert/assert.c:89:0
 #&#8203;7 0x00007fe501171502 (/lib/x86_64-linux-gnu/libc.so.6+0x30502)
 #&#8203;8 0x000055c1dc34b72a clang::Expr::EvaluateAsInt(clang::Expr::EvalResult&, clang::ASTContext const&, clang::Expr::SideEffectsKind, bool) const (/media/haoxin/SeagateData/haoxin-data/dut-research/compilers/llvm-project/build-20210502/bin/clang-13+0x5d5872a)
 #&#8203;9 0x000055c1d77996fc tryGCCVectorConvertAndSplat(clang::Sema&, clang::ActionResult<clang::Expr*, true>*, clang::ActionResult<clang::Expr*, true>*) SemaExpr.cpp:0:0
#&#8203;10 0x000055c1dbaaa84e clang::Sema::CheckVectorOperands(clang::ActionResult<clang::Expr*, true>&, clang::ActionResult<clang::Expr*, true>&, clang::SourceLocation, bool, bool, bool) (/media/haoxin/SeagateData/haoxin-data/dut-research/compilers/llvm-project/build-20210502/bin/clang-13+0x54b784e)
#&#8203;11 0x000055c1dbaaae8b clang::Sema::CheckVectorCompareOperands(clang::ActionResult<clang::Expr*, true>&, clang::ActionResult<clang::Expr*, true>&, clang::SourceLocation, clang::BinaryOperatorKind) (/media/haoxin/SeagateData/haoxin-data/dut-research/compilers/llvm-project/build-20210502/bin/clang-13+0x54b7e8b)
#&#8203;12 0x000055c1dbab341c clang::Sema::CheckCompareOperands(clang::ActionResult<clang::Expr*, true>&, clang::ActionResult<clang::Expr*, true>&, clang::SourceLocation, clang::BinaryOperatorKind) (/media/haoxin/SeagateData/haoxin-data/dut-research/compilers/llvm-project/build-20210502/bin/clang-13+0x54c041c)
#&#8203;13 0x000055c1dbab5bf8 clang::Sema::CreateBuiltinBinOp(clang::SourceLocation, clang::BinaryOperatorKind, clang::Expr*, clang::Expr*) (/media/haoxin/SeagateData/haoxin-data/dut-research/compilers/llvm-project/build-20210502/bin/clang-13+0x54c2bf8)
#&#8203;14 0x000055c1dbab6f5c clang::Sema::BuildBinOp(clang::Scope*, clang::SourceLocation, clang::BinaryOperatorKind, clang::Expr*, clang::Expr*) (/media/haoxin/SeagateData/haoxin-data/dut-research/compilers/llvm-project/build-20210502/bin/clang-13+0x54c3f5c)
#&#8203;15 0x000055c1dbab7419 clang::Sema::ActOnBinOp(clang::Scope*, clang::SourceLocation, clang::tok::TokenKind, clang::Expr*, clang::Expr*) (/media/haoxin/SeagateData/haoxin-data/dut-research/compilers/llvm-project/build-20210502/bin/clang-13+0x54c4419)
#&#8203;16 0x000055c1db7467e3 clang::Parser::ParseRHSOfBinaryExpression(clang::ActionResult<clang::Expr*, true>, clang::prec::Level) (/media/haoxin/SeagateData/haoxin-data/dut-research/compilers/llvm-project/build-20210502/bin/clang-13+0x51537e3)
#&#8203;17 0x000055c1db747e29 clang::Parser::ParseExpression(clang::Parser::TypeCastState) (/media/haoxin/SeagateData/haoxin-data/dut-research/compilers/llvm-project/build-20210502/bin/clang-13+0x5154e29)
#&#8203;18 0x000055c1db79dafd clang::Parser::ParseExprStatement(clang::Parser::ParsedStmtContext) (/media/haoxin/SeagateData/haoxin-data/dut-research/compilers/llvm-project/build-20210502/bin/clang-13+0x51aaafd)
#&#8203;19 0x000055c1db79a894 clang::Parser::ParseStatementOrDeclarationAfterAttributes(llvm::SmallVector<clang::Stmt*, 32u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*, clang::ParsedAttributesWithRange&) (/media/haoxin/SeagateData/haoxin-data/dut-research/compilers/llvm-project/build-20210502/bin/clang-13+0x51a7894)
#&#8203;20 0x000055c1db79ab4c clang::Parser::ParseStatementOrDeclaration(llvm::SmallVector<clang::Stmt*, 32u>&, clang::Parser::ParsedStmtContext, clang::SourceLocation*) (/media/haoxin/SeagateData/haoxin-data/dut-research/compilers/llvm-project/build-20210502/bin/clang-13+0x51a7b4c)
#&#8203;21 0x000055c1db797f81 clang::Parser::ParseCompoundStatementBody(bool) (/media/haoxin/SeagateData/haoxin-data/dut-research/compilers/llvm-project/build-20210502/bin/clang-13+0x51a4f81)
#&#8203;22 0x000055c1db7a041b clang::Parser::ParseFunctionStatementBody(clang::Decl*, clang::Parser::ParseScope&) (/media/haoxin/SeagateData/haoxin-data/dut-research/compilers/llvm-project/build-20210502/bin/clang-13+0x51ad41b)
#&#8203;23 0x000055c1db7050b4 clang::Parser::ParseFunctionDefinition(clang::ParsingDeclarator&, clang::Parser::ParsedTemplateInfo const&, clang::Parser::LateParsedAttrList*) (/media/haoxin/SeagateData/haoxin-data/dut-research/compilers/llvm-project/build-20210502/bin/clang-13+0x51120b4)
#&#8203;24 0x000055c1db72694e clang::Parser::ParseDeclGroup(clang::ParsingDeclSpec&, clang::DeclaratorContext, clang::SourceLocation*, clang::Parser::ForRangeInit*) (/media/haoxin/SeagateData/haoxin-data/dut-research/compilers/llvm-project/build-20210502/bin/clang-13+0x513394e)
#&#8203;25 0x000055c1db701229 clang::Parser::ParseDeclOrFunctionDefInternal(clang::ParsedAttributesWithRange&, clang::ParsingDeclSpec&, clang::AccessSpecifier) (/media/haoxin/SeagateData/haoxin-data/dut-research/compilers/llvm-project/build-20210502/bin/clang-13+0x510e229)
#&#8203;26 0x000055c1db701981 clang::Parser::ParseDeclarationOrFunctionDefinition(clang::ParsedAttributesWithRange&, clang::ParsingDeclSpec*, clang::AccessSpecifier) (.part.240) Parser.cpp:0:0
#&#8203;27 0x000055c1db701b70 clang::Parser::ParseExternalDeclaration(clang::ParsedAttributesWithRange&, clang::ParsingDeclSpec*) (/media/haoxin/SeagateData/haoxin-data/dut-research/compilers/llvm-project/build-20210502/bin/clang-13+0x510eb70)
#&#8203;28 0x000055c1db7027b9 clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&, bool) (/media/haoxin/SeagateData/haoxin-data/dut-research/compilers/llvm-project/build-20210502/bin/clang-13+0x510f7b9)
#&#8203;29 0x000055c1db6f8d49 clang::ParseAST(clang::Sema&, bool, bool) (/media/haoxin/SeagateData/haoxin-data/dut-research/compilers/llvm-project/build-20210502/bin/clang-13+0x5105d49)
#&#8203;30 0x000055c1dab839a8 clang::CodeGenAction::ExecuteAction() (/media/haoxin/SeagateData/haoxin-data/dut-research/compilers/llvm-project/build-20210502/bin/clang-13+0x45909a8)
#&#8203;31 0x000055c1da50beb1 clang::FrontendAction::Execute() (/media/haoxin/SeagateData/haoxin-data/dut-research/compilers/llvm-project/build-20210502/bin/clang-13+0x3f18eb1)
#&#8203;32 0x000055c1da4a8ff2 clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/media/haoxin/SeagateData/haoxin-data/dut-research/compilers/llvm-project/build-20210502/bin/clang-13+0x3eb5ff2)
#&#8203;33 0x000055c1da5d6b8a clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/media/haoxin/SeagateData/haoxin-data/dut-research/compilers/llvm-project/build-20210502/bin/clang-13+0x3fe3b8a)
#&#8203;34 0x000055c1d78cbc9c cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/media/haoxin/SeagateData/haoxin-data/dut-research/compilers/llvm-project/build-20210502/bin/clang-13+0x12d8c9c)
#&#8203;35 0x000055c1d78c6f99 ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&) driver.cpp:0:0
#&#8203;36 0x000055c1d77edf87 main (/media/haoxin/SeagateData/haoxin-data/dut-research/compilers/llvm-project/build-20210502/bin/clang-13+0x11faf87)
#&#8203;37 0x00007fe501162bf7 __libc_start_main /build/glibc-S9d2JN/glibc-2.27/csu/../csu/libc-start.c:344:0
#&#8203;38 0x000055c1d78c6b0a _start (/media/haoxin/SeagateData/haoxin-data/dut-research/compilers/llvm-project/build-20210502/bin/clang-13+0x12d3b0a)
clang-13: error: unable to execute command: Aborted (core dumped)
clang-13: error: clang frontend command failed due to signal (use -v to see invocation)
clang version 13.0.0 (https://github.com/llvm/llvm-project e5984a3680bef22d422beaafa73bf131d7197973)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /home/haoxin/haoxin-data/dut-research/compilers/llvm-project/build-20210502/bin
clang-13: note: diagnostic msg: 
********************

PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang-13: note: diagnostic msg: /tmp/small-84b262.c
clang-13: note: diagnostic msg: /tmp/small-84b262.sh
clang-13: note: diagnostic msg: 

********************

$clang -v
clang version 13.0.0 (https://github.com/llvm/llvm-project e5984a3680bef22d422beaafa73bf131d7197973)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /home/haoxin/haoxin-data/dut-research/compilers/llvm-project/build-20210502/bin
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.8.5
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7.5.0
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/8
Selected GCC installation: /usr/lib/gcc/x86_64-linux-gnu/8
Candidate multilib: .;@m64
Candidate multilib: 32;@m32
Candidate multilib: x32;@mx32
Selected multilib: .;@m64

Thanks,
Haoxin

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