diff --git a/validation-test/IDE/crashers/ASTMangler-mangleDeclAsUSR-8b1e4c.swift b/validation-test/IDE/crashers/ASTMangler-mangleDeclWithPrefix-8b1e4c.swift
similarity index 75%
rename from validation-test/IDE/crashers/ASTMangler-mangleDeclAsUSR-8b1e4c.swift
rename to validation-test/IDE/crashers/ASTMangler-mangleDeclWithPrefix-8b1e4c.swift
index a8ac615a5ddbe..d0a2aad31fad0 100644
--- a/validation-test/IDE/crashers/ASTMangler-mangleDeclAsUSR-8b1e4c.swift
+++ b/validation-test/IDE/crashers/ASTMangler-mangleDeclWithPrefix-8b1e4c.swift
@@ -1,3 +1,3 @@
-// {"kind":"complete","original":"2201e4ed","signature":"swift::Mangle::ASTMangler::mangleDeclAsUSR(swift::ValueDecl const*, llvm::StringRef)"}
+// {"kind":"complete","original":"2201e4ed","signature":"swift::Mangle::ASTMangler::mangleDeclWithPrefix(swift::ValueDecl const*, llvm::StringRef)"}
 // RUN: not --crash %target-swift-ide-test -code-completion -batch-code-completion -skip-filecheck -code-completion-diagnostics -source-filename %s
 enum a<b{ protocol c{ class d{ class f<b let e=f #^^#
diff --git a/validation-test/IDE/crashers/SetLocalDiscriminators-setLocalDiscriminator-0f8171.swift b/validation-test/IDE/crashers/SetLocalDiscriminators-setLocalDiscriminator-0f8171.swift
new file mode 100644
index 0000000000000..610cab9ed2c66
--- /dev/null
+++ b/validation-test/IDE/crashers/SetLocalDiscriminators-setLocalDiscriminator-0f8171.swift
@@ -0,0 +1,7 @@
+// {"kind":"complete","original":"f53cb65c","signature":"(anonymous namespace)::SetLocalDiscriminators::setLocalDiscriminator(swift::ValueDecl*)","signatureAssert":"Assertion failed: (LocalDiscriminator == InvalidDiscriminator && \"LocalDiscriminator is set multiple times\"), function setLocalDiscriminator"}
+// RUN: not --crash %target-swift-ide-test -code-completion -batch-code-completion -skip-filecheck -code-completion-diagnostics -source-filename %s
+{ $a in
+  {
+    enum b {
+    c -> b {
+      #^^#
diff --git a/validation-test/IDE/crashers_fixed/ASTMangler-appendDeclName-439908.swift b/validation-test/IDE/crashers_fixed/ASTMangler-appendDeclName-439908.swift
new file mode 100644
index 0000000000000..567f49260cfa9
--- /dev/null
+++ b/validation-test/IDE/crashers_fixed/ASTMangler-appendDeclName-439908.swift
@@ -0,0 +1,6 @@
+// {"kind":"complete","original":"dbc89b63","signature":"swift::Mangle::ASTMangler::appendDeclName(swift::ValueDecl const*, swift::DeclBaseName, bool)","signatureAssert":"Assertion failed: (!getABIDecl(decl) && \"caller should make sure we get ABI decls\"), function appendDeclName"}
+// RUN: %target-swift-ide-test -code-completion -batch-code-completion -skip-filecheck -code-completion-diagnostics -source-filename %s
+@abi(func a()) struct b {
+  @#^^#< #declaration
+  #  >
+}
diff --git a/validation-test/compiler_crashers/ConstraintSystem-compareSolutions-dcf902.swift b/validation-test/compiler_crashers/ConstraintSystem-compareSolutions-dcf902.swift
new file mode 100644
index 0000000000000..89fb16109641b
--- /dev/null
+++ b/validation-test/compiler_crashers/ConstraintSystem-compareSolutions-dcf902.swift
@@ -0,0 +1,6 @@
+// {"kind":"typecheck","original":"2e9096bf","signature":"swift::constraints::ConstraintSystem::compareSolutions(swift::constraints::ConstraintSystem&, llvm::ArrayRef<swift::constraints::Solution>, swift::constraints::SolutionDiff const&, unsigned int, unsigned int)","signatureAssert":"Assertion failed: (isa<To>(Val) && \"cast<Ty>() argument of incompatible type!\"), function cast"}
+// RUN: not --crash %target-swift-frontend -typecheck %s
+extension Sequence {
+    b<c, d: KeyPath<Element, c>>(d )
+  {
+    [(a:2), (0.0      a : 1)].b(\.a
diff --git a/validation-test/compiler_crashers/ConstraintSystem-diagnoseAmbiguityWithFixes-cb6638.swift b/validation-test/compiler_crashers/ConstraintSystem-diagnoseAmbiguityWithFixes-cb6638.swift
new file mode 100644
index 0000000000000..3fbcca51314fd
--- /dev/null
+++ b/validation-test/compiler_crashers/ConstraintSystem-diagnoseAmbiguityWithFixes-cb6638.swift
@@ -0,0 +1,5 @@
+// {"kind":"typecheck","original":"1806b993","signature":"swift::constraints::ConstraintSystem::diagnoseAmbiguityWithFixes(llvm::SmallVectorImpl<swift::constraints::Solution>&)"}
+// RUN: not --crash %target-swift-frontend -typecheck %s
+func a<each b >(repeat inout each b) -> (repeat each b
+( ;
+let c 0 = a( 12.3 + 3
diff --git a/validation-test/compiler_crashers/ValueDecl-copyFormalAccessFrom-d1e149.swift b/validation-test/compiler_crashers/ValueDecl-copyFormalAccessFrom-d1e149.swift
new file mode 100644
index 0000000000000..91dfc4f4564f6
--- /dev/null
+++ b/validation-test/compiler_crashers/ValueDecl-copyFormalAccessFrom-d1e149.swift
@@ -0,0 +1,6 @@
+// {"kind":"typecheck","original":"46f686fe","signature":"swift::ValueDecl::copyFormalAccessFrom(swift::ValueDecl const*, bool)","signatureAssert":"Assertion failed: (!hasAccess() && \"access already set\"), function setAccess"}
+// RUN: not --crash %target-swift-frontend -typecheck %s
+// REQUIRES: OS=macosx
+import Distributed
+distributed open actor a {
+}
diff --git a/validation-test/compiler_crashers/expandMacroDefinition-848da8.swift b/validation-test/compiler_crashers/expandMacroDefinition-848da8.swift
new file mode 100644
index 0000000000000..fbd90eff5297b
--- /dev/null
+++ b/validation-test/compiler_crashers/expandMacroDefinition-848da8.swift
@@ -0,0 +1,6 @@
+// {"kind":"typecheck","signature":"expandMacroDefinition(swift::ExpandedMacroDefinition, swift::MacroDecl*, swift::SubstitutionMap, swift::ArgumentList*)"}
+// RUN: not --crash %target-swift-frontend -typecheck %s
+@expression macro a()
+@expression macro b<c, d>() =
+  #a<c, d>()
+#b<String, Int>