tests: fix clang flags in avx10_2_512minmax-error test

Introduced in 3d5cc7e, caught by a
sandboxed test run.

Author: durin42

clang/test/CodeGen/X86/avx10_2_512minmax-error.c

@@ -1,7 +1,7 @@
 // RUN: %clang_cc1 %s -flax-vector-conversions=none -ffreestanding -triple=x86_64 -target-feature +avx10.2-512 \
-// RUN: -Wno-invalid-feature-combination -emit-llvm -verify
+// RUN: -Wno-invalid-feature-combination -verify -fsyntax-only
 // RUN: %clang_cc1 %s -flax-vector-conversions=none -ffreestanding -triple=i386 -target-feature +avx10.2-512 \
-// RUN: -Wno-invalid-feature-combination -emit-llvm -verify
+// RUN: -Wno-invalid-feature-combination -verify -fsyntax-only
 
 #include <immintrin.h>