disable regressed behavior tests from llvm 14

See #12012
See #12013

Author: andrewrk

test/behavior/math.zig

@@ -161,10 +161,11 @@ test "@ctz vectors" {
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // TODO
 
-    if (builtin.zig_backend == .stage2_llvm and builtin.cpu.arch == .aarch64) {
-        // TODO this is tripping an LLVM assert:
-        // zig: /home/andy/Downloads/llvm-project-13/llvm/lib/CodeGen/GlobalISel/LegalizerInfo.cpp:198: llvm::LegalizeActionStep llvm::LegalizeRuleSet::apply(const llvm::LegalityQuery&) const: Assertion `mutationIsSane(Rule, Query, Mutation) && "legality mutation invalid for match"' failed.
-        // I need to report a zig issue and an llvm issue
+    if ((builtin.zig_backend == .stage1 or builtin.zig_backend == .stage2_llvm) and
+        builtin.cpu.arch == .aarch64)
+    {
+        // This regressed with LLVM 14:
+        // https://github.com/ziglang/zig/issues/12013
         return error.SkipZigTest;
     }
 

test/behavior/vector.zig

@@ -180,6 +180,14 @@ test "tuple to vector" {
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
 
+    if ((builtin.zig_backend == .stage1 or builtin.zig_backend == .stage2_llvm) and
+        builtin.cpu.arch == .aarch64)
+    {
+        // Regressed with LLVM 14:
+        // https://github.com/ziglang/zig/issues/12012
+        return error.SkipZigTest;
+    }
+
     const S = struct {
         fn doTheTest() !void {
             const Vec3 = @Vector(3, i32);