[clang] [llvm] [ARM] Emit an error when the hard-float ABI is enabled but can't be used (PR #111334)

[Peter Smith via cfe-commits]

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@@ -6,6 +6,13 @@
 // RUN: %clang -mfloat-abi=softfp --target=armv7-unknown-linux-gnueabi -O3 -S -o - %s | FileCheck %s -check-prefixes=SOFTFP,CHECK
 // RUN: %clang -mfloat-abi=soft --target=armv7-unknown-linux-gnueabi -O3 -S -o - %s | FileCheck %s -check-prefixes=SOFT,CHECK
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smithp35 wrote:

I can't immediately think of anything better.

https://github.com/llvm/llvm-project/pull/111334