Update a few recently-resolved crashers.

Author: DougGregor

validation-test/compiler_crashers/28837-swift-protocolcompositiontype-get-swift-astcontext-const-llvm-arrayref-swift-typ.swift renamed to validation-test/compiler_crashers_fixed/28837-swift-protocolcompositiontype-get-swift-astcontext-const-llvm-arrayref-swift-typ.swift

@@ -5,6 +5,6 @@
 // See https://swift.org/LICENSE.txt for license information
 // See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
 
-// RUN: not --crash %target-swift-frontend %s -emit-ir
+// RUN: not %target-swift-frontend %s -emit-ir
 protocol b:Self.a&(Int
 protocol b{}

validation-test/compiler_crashers/28844-swift-typebase-getcanonicaltype.swift renamed to validation-test/compiler_crashers_fixed/28844-swift-typebase-getcanonicaltype.swift

@@ -5,5 +5,5 @@
 // See https://swift.org/LICENSE.txt for license information
 // See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
 
-// RUN: not --crash %target-swift-frontend %s -emit-ir
+// RUN: not %target-swift-frontend %s -emit-ir
 protocol A:Self.a&( A

validation-test/compiler_crashers/28862-swift-protocoldecl-getinheritedprotocols-const.swift renamed to validation-test/compiler_crashers_fixed/28862-swift-protocoldecl-getinheritedprotocols-const.swift

@@ -5,7 +5,7 @@
 // See https://swift.org/LICENSE.txt for license information
 // See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
 
-// RUN: not --crash %target-swift-frontend %s -emit-ir
+// RUN: not %target-swift-frontend %s -emit-ir
 protocol A:RangeReplaceableCollection&(t:A{extension{}a e:class a{}class a
 {{}lass a=_{case.a<a =nil??as?=
 :a<a

validation-test/compiler_crashers/28867-swift-iterativetypechecker-issatisfied-swift-typecheckrequest.swift renamed to validation-test/compiler_crashers_fixed/28867-swift-iterativetypechecker-issatisfied-swift-typecheckrequest.swift

@@ -5,6 +5,6 @@
 // See https://swift.org/LICENSE.txt for license information
 // See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
 
-// RUN: not --crash %target-swift-frontend %s -emit-ir
+// RUN: not %target-swift-frontend %s -emit-ir
 protocol A:a
 & {}typealias a:A