Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/llvm/test/MC/AArch64/arm64-mapping-across-sections.s

@@ -0,0 +1,28 @@
+// RUN: llvm-mc -triple=arm64-none-linux-gnu -filetype=obj < %s | llvm-objdump -t - | FileCheck %s
+
+        .text
+        add w0, w0, w0
+
+// .wibble should *not* inherit .text's mapping symbol. It's a completely different section.
+        .section .wibble
+        add w0, w0, w0
+
+// A setion should be able to start with a $d
+        .section .starts_data
+        .word 42
+
+// Changing back to .text should not emit a redundant $x
+        .text
+        add w0, w0, w0
+
+// With all those constraints, we want:
+//   + .text to have $x at 0 and no others
+//   + .wibble to have $x at 0
+//   + .starts_data to have $d at 0
+
+
+// CHECK: 00000000 .starts_data 00000000 $d
+// CHECK-NEXT: 00000000 .text 00000000 $x
+// CHECK-NEXT: 00000000 .wibble 00000000 $x
+// CHECK-NOT: ${{[adtx]}}
+