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[swiftc (132 vs. 5184)] Add crasher in swift::ASTVisitor
Add test case for crash triggered in `swift::ASTVisitor`.
Current number of unresolved compiler crashers: 132 (5184 resolved)
Assertion failure in [`lib/Sema/CSApply.cpp (line 4676)`](https://github.com/apple/swift/blob/master/lib/Sema/CSApply.cpp#L4676):
```
Assertion `!failed && "Call arguments did not match up?"' failed.
When executing: swift::Expr *<anonymous namespace>::ExprRewriter::coerceCallArguments(swift::Expr *, swift::Type, llvm::PointerUnion<ApplyExpr *, LevelTy>, ArrayRef<swift::Identifier>, bool, swift::constraints::ConstraintLocatorBuilder)
```
Assertion context:
```
SmallVector<ParamBinding, 4> parameterBindings;
bool failed = constraints::matchCallArguments(args, params,
hasTrailingClosure,
/*allowFixes=*/false, listener,
parameterBindings);
assert(!failed && "Call arguments did not match up?");
(void)failed;
// We should either have parentheses or a tuple.
TupleExpr *argTuple = dyn_cast<TupleExpr>(arg);
ParenExpr *argParen = dyn_cast<ParenExpr>(arg);
```
Stack trace:
```
#0 0x00000000031d2438 llvm::sys::PrintStackTrace(llvm::raw_ostream&) (/path/to/swift/bin/swift+0x31d2438)
#1 0x00000000031d2c86 SignalHandler(int) (/path/to/swift/bin/swift+0x31d2c86)
#2 0x00007f72b981e330 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x10330)
#3 0x00007f72b7fdcc37 gsignal /build/eglibc-oGUzwX/eglibc-2.19/signal/../nptl/sysdeps/unix/sysv/linux/raise.c:56:0
#4 0x00007f72b7fe0028 abort /build/eglibc-oGUzwX/eglibc-2.19/stdlib/abort.c:91:0
#5 0x00007f72b7fd5bf6 __assert_fail_base /build/eglibc-oGUzwX/eglibc-2.19/assert/assert.c:92:0
#6 0x00007f72b7fd5ca2 (/lib/x86_64-linux-gnu/libc.so.6+0x2fca2)
#7 0x0000000000c285e4 (/path/to/swift/bin/swift+0xc285e4)
#8 0x0000000000c2563e (anonymous namespace)::ExprRewriter::finishApply(swift::ApplyExpr*, swift::Type, swift::constraints::ConstraintLocatorBuilder) (/path/to/swift/bin/swift+0xc2563e)
#9 0x0000000000c25e4f (anonymous namespace)::ExprRewriter::finishApply(swift::ApplyExpr*, swift::Type, swift::constraints::ConstraintLocatorBuilder) (/path/to/swift/bin/swift+0xc25e4f)
#10 0x0000000000c2b4ce swift::ASTVisitor<(anonymous namespace)::ExprRewriter, swift::Expr*, void, void, void, void, void>::visit(swift::Expr*) (/path/to/swift/bin/swift+0xc2b4ce)
#11 0x0000000000c230c0 (anonymous namespace)::ExprRewriter::walkToExprPost(swift::Expr*) (/path/to/swift/bin/swift+0xc230c0)
#12 0x0000000000c34cf0 (anonymous namespace)::ExprWalker::walkToExprPost(swift::Expr*) (/path/to/swift/bin/swift+0xc34cf0)
#13 0x0000000000d66175 swift::Expr::walk(swift::ASTWalker&) (/path/to/swift/bin/swift+0xd66175)
#14 0x0000000000c1fb22 swift::constraints::ConstraintSystem::applySolution(swift::constraints::Solution&, swift::Expr*, swift::Type, bool, bool, bool) (/path/to/swift/bin/swift+0xc1fb22)
#15 0x0000000000b8da04 swift::TypeChecker::typeCheckExpression(swift::Expr*&, swift::DeclContext*, swift::TypeLoc, swift::ContextualTypePurpose, swift::OptionSet<swift::TypeCheckExprFlags, unsigned int>, swift::ExprTypeCheckListener*, swift::constraints::ConstraintSystem*) (/path/to/swift/bin/swift+0xb8da04)
#16 0x0000000000c44105 (anonymous namespace)::FailureDiagnosis::typeCheckChildIndependently(swift::Expr*, swift::Type, swift::ContextualTypePurpose, swift::OptionSet<TCCFlags, unsigned int>, swift::ExprTypeCheckListener*) (/path/to/swift/bin/swift+0xc44105)
#17 0x0000000000c4de56 swift::ASTVisitor<(anonymous namespace)::FailureDiagnosis, bool, void, void, void, void, void>::visit(swift::Expr*) (/path/to/swift/bin/swift+0xc4de56)
#18 0x0000000000c3cab6 swift::constraints::ConstraintSystem::diagnoseFailureForExpr(swift::Expr*) (/path/to/swift/bin/swift+0xc3cab6)
#19 0x0000000000c43210 swift::constraints::ConstraintSystem::salvage(llvm::SmallVectorImpl<swift::constraints::Solution>&, swift::Expr*) (/path/to/swift/bin/swift+0xc43210)
#20 0x0000000000b8aecf swift::TypeChecker::solveForExpression(swift::Expr*&, swift::DeclContext*, swift::Type, swift::FreeTypeVariableBinding, swift::ExprTypeCheckListener*, swift::constraints::ConstraintSystem&, llvm::SmallVectorImpl<swift::constraints::Solution>&, swift::OptionSet<swift::TypeCheckExprFlags, unsigned int>) (/path/to/swift/bin/swift+0xb8aecf)
#21 0x0000000000b8d96e swift::TypeChecker::typeCheckExpression(swift::Expr*&, swift::DeclContext*, swift::TypeLoc, swift::ContextualTypePurpose, swift::OptionSet<swift::TypeCheckExprFlags, unsigned int>, swift::ExprTypeCheckListener*, swift::constraints::ConstraintSystem*) (/path/to/swift/bin/swift+0xb8d96e)
#22 0x0000000000c02594 swift::ASTVisitor<(anonymous namespace)::StmtChecker, void, swift::Stmt*, void, void, void, void>::visit(swift::Stmt*) (/path/to/swift/bin/swift+0xc02594)
#23 0x0000000000c01db6 swift::TypeChecker::typeCheckTopLevelCodeDecl(swift::TopLevelCodeDecl*) (/path/to/swift/bin/swift+0xc01db6)
#24 0x0000000000c15d0a swift::performTypeChecking(swift::SourceFile&, swift::TopLevelContext&, swift::OptionSet<swift::TypeCheckingFlags, unsigned int>, unsigned int, unsigned int) (/path/to/swift/bin/swift+0xc15d0a)
#25 0x0000000000938c66 swift::CompilerInstance::performSema() (/path/to/swift/bin/swift+0x938c66)
#26 0x000000000047ece5 performCompile(swift::CompilerInstance&, swift::CompilerInvocation&, llvm::ArrayRef<char const*>, int&, swift::FrontendObserver*) (/path/to/swift/bin/swift+0x47ece5)
#27 0x000000000047db7f swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) (/path/to/swift/bin/swift+0x47db7f)
#28 0x000000000044509a main (/path/to/swift/bin/swift+0x44509a)
#29 0x00007f72b7fc7f45 __libc_start_main /build/eglibc-oGUzwX/eglibc-2.19/csu/libc-start.c:321:0
#30 0x0000000000442816 _start (/path/to/swift/bin/swift+0x442816)
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