[llvm] [llvm][MC][ARM] Don't autoresolve fixups (PR #76574)

[Fangrui Song via llvm-commits]

================
@@ -0,0 +1,6 @@
+@ RUN: not llvm-mc -filetype=obj -o /dev/null %s 2>&1 -triple=thumbv7   | FileCheck %s
+@ RUN: not llvm-mc -filetype=obj -o /dev/null %s 2>&1 -triple=thumbebv7 | FileCheck %s
+
+   ldrd r0, r1, foo
----------------
MaskRay wrote:

Is this related to positive tests in another test file? If true, we can merge the test files by utilizing `.ifdef ERR` and `--defsym ERR=1`. Grep will a few examples.

https://github.com/llvm/llvm-project/pull/76574