#4222 Broken ASM on clang (GNU-style Driver)

**Describe the bug**
A clear and concise description of what the bug is.

**To Reproduce**
Steps to reproduce the behavior:
1. build zstd with CMake

**Expected behavior**
ASM enabled

**Screenshots and charts**
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**Desktop (please complete the following information):**
- OS: Windows
- Version any
- Compiler clang/gcc (not clang-cl)
- Build system CMake

**Additional context**
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