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diff --git a/test/MC/AArch64/mapping-across-sections.s b/test/MC/AArch64/mapping-across-sections.s
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+// RUN: llvm-mc -triple=aarch64-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]}}
+