[test] Update a couple of crasher signatures

Author: hamishknight

…intSystem-addConstraintImpl-78f127.swift …shers/Constraint-Constraint-78f127.swiftvalidation-test/IDE/crashers/ConstraintSystem-addConstraintImpl-78f127.swift renamed to validation-test/IDE/crashers/Constraint-Constraint-78f127.swift validation-test/IDE/crashers/ConstraintSystem-addConstraintImpl-78f127.swift renamed to validation-test/IDE/crashers/Constraint-Constraint-78f127.swift

@@ -1,4 +1,4 @@
-// {"kind":"complete","signature":"swift::constraints::ConstraintSystem::addConstraintImpl(swift::constraints::ConstraintKind, swift::Type, swift::Type, swift::constraints::ConstraintLocatorBuilder, bool)","signatureAssert":"Assertion failed: (second && \"Missing second type\"), function addConstraintImpl"}
+// {"kind":"complete","signature":"swift::constraints::Constraint::Constraint(swift::constraints::ConstraintKind, swift::Type, swift::Type, swift::constraints::ConstraintLocator*, llvm::SmallPtrSetImpl<swift::TypeVariableType*>&)","signatureAssert":"Assertion failed: (Ptr && \"Cannot dereference a null Type!\"), function operator->"}
 // RUN: not --crash %target-swift-ide-test -code-completion -batch-code-completion -skip-filecheck -code-completion-diagnostics -source-filename %s
 @propertyWrapper struct a {
 wrappedValue: Bool init(wrappedValue: Bool

validation-test/compiler_crashers/ConstraintSystem-diagnoseAmbiguityWithFixes-963e71.swift

@@ -0,0 +1,4 @@
+// {"kind":"typecheck","original":"e51afbca","signature":"diagnoseContextualFunctionCallGenericAmbiguity(swift::constraints::ConstraintSystem&, llvm::ArrayRef<std::__1::pair<swift::constraints::Solution const*, swift::constraints::ConstraintFix const*>>, llvm::ArrayRef<std::__1::pair<swift::constraints::Solution const*, swift::constraints::ConstraintFix const*>>)","signatureAssert":"Assertion failed: (!empty()), function front"}
+// RUN: not --crash %target-swift-frontend -typecheck %s
+struct a throw withThrowingTaskGroup(of : a) {
+b in