Set SWIFT_STDLIB_ENABLE_VECTOR_TYPES=0 for the freestanding stdlib

test/stdlib/SIMD.swift

@@ -1,6 +1,7 @@
 // RUN: %target-run-simple-swift
 // REQUIRES: executable_test
 // REQUIRES: objc_interop
+// UNSUPPORTED: freestanding
 
 import Foundation
 import StdlibUnittest

test/stdlib/SIMDConcreteFP.swift.gyb

@@ -16,6 +16,7 @@
 // RUN: %line-directive %t/SIMDConcreteFP.swift -- %target-run %t/a.out
 // REQUIRES: executable_test
 // REQUIRES: rdar76545659
+// UNSUPPORTED: freestanding
 
 import StdlibUnittest
 

test/stdlib/SIMDConcreteIntegers.swift.gyb

@@ -15,6 +15,7 @@
 // RUN: %target-codesign %t/a.out
 // RUN: %line-directive %t/SIMDConcreteIntegers.swift -- %target-run %t/a.out
 // REQUIRES: executable_test
+// UNSUPPORTED: freestanding
 
 import StdlibUnittest
 

test/stdlib/SIMDConcreteMasks.swift.gyb

@@ -15,6 +15,7 @@
 // RUN: %target-codesign %t/a.out
 // RUN: %line-directive %t/SIMDConcreteMasks.swift -- %target-run %t/a.out
 // REQUIRES: executable_test
+// UNSUPPORTED: freestanding
 
 import StdlibUnittest
 

utils/build-presets.ini

@@ -2532,6 +2532,7 @@ swift-stdlib-lto=full
 swift-stdlib-enable-prespecialization=0
 swift-stdlib-passthrough-metadata-allocator=1
 swift-stdlib-short-mangling-lookups=0
+swift-stdlib-enable-vector-types=0
 swift-stdlib-experimental-hermetic-seal-at-link=1
 swift-stdlib-disable-instantiation-caches=1
 swift-stdlib-has-type-printing=0

utils/build-script-impl

@@ -218,6 +218,7 @@ KNOWN_SETTINGS=(
     swift-stdlib-enable-prespecialization         ""                "whether stdlib should be built with generic metadata prespecialization enabled, defaults to true on Darwin and Linux, false otherwise"
     swift-stdlib-passthrough-metadata-allocator   "0"               "whether stdlib should be built without a custom implementation of MetadataAllocator, relying on malloc+free instead"
     swift-stdlib-short-mangling-lookups           "1"               "whether to build stdlib with fast-path context descriptor lookups based on well-known short manglings"
+    swift-stdlib-enable-vector-types              "1"               "whether to build stdlib with support for SIMD and vector types"
     swift-stdlib-experimental-hermetic-seal-at-link     "0"         "whether stdlib should be built with -experimental-hermetic-seal-at-link"
     swift-stdlib-disable-instantiation-caches     "0"               "whether to build stdlib with -disable-preallocated-instantiation-caches"
     swift-stdlib-has-type-printing                "1"               "whether stdlib should support printing user-friendly type name as strings at runtime"
@@ -2009,6 +2010,7 @@ for host in "${ALL_HOSTS[@]}"; do
                     -DSWIFT_STDLIB_ENABLE_LTO:STRING="${SWIFT_STDLIB_LTO}"
                     -DSWIFT_STDLIB_PASSTHROUGH_METADATA_ALLOCATOR:BOOL=$(true_false "${SWIFT_STDLIB_PASSTHROUGH_METADATA_ALLOCATOR}")
                     -DSWIFT_STDLIB_SHORT_MANGLING_LOOKUPS:BOOL=$(true_false "${SWIFT_STDLIB_SHORT_MANGLING_LOOKUPS}")
+                    -DSWIFT_STDLIB_ENABLE_VECTOR_TYPES:BOOL=$(true_false "${SWIFT_STDLIB_ENABLE_VECTOR_TYPES}")
                     -DSWIFT_STDLIB_HAS_TYPE_PRINTING:BOOL=$(true_false "${SWIFT_STDLIB_HAS_TYPE_PRINTING}")
                     -DSWIFT_STDLIB_EXPERIMENTAL_HERMETIC_SEAL_AT_LINK:BOOL=$(true_false "${SWIFT_STDLIB_EXPERIMENTAL_HERMETIC_SEAL_AT_LINK}")
                     -DSWIFT_STDLIB_DISABLE_INSTANTIATION_CACHES:BOOL=$(true_false "${SWIFT_STDLIB_DISABLE_INSTANTIATION_CACHES}")