[llvm] [MC][x86] Allow non-MCTargetExpr RHS when the LHS of a MCBinaryExpr is MCTargetExpr (PR #75693)

[Shengchen Kan via llvm-commits]

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@@ -0,0 +1,8 @@
+// RUN: not llvm-mc -triple x86_64-unknown-unknown %s -o /dev/null 2>&1 | FileCheck %s --check-prefix=CHECK-ERROR
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KanRobert wrote:

Minor suggestion

You don't need `-unknown-unknown`, `x86_64` is enough. Ony one check prefix is used, `--check-prefix=CHECK-ERROR` is redundant.

https://github.com/llvm/llvm-project/pull/75693