[llvm] [dbginfo-tests] Use -march instead of -arch to avoid getting an error for non-darwin targets. (PR #98977)

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git-clang-format --diff 290537238b45106e30bb082b9affde345d8a5482 49b9d82958e1e603b7dd9039405f1df4ed393e45 --extensions c -- cross-project-tests/debuginfo-tests/llgdb-tests/asan.c cross-project-tests/debuginfo-tests/llgdb-tests/safestack.c
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diff --git a/cross-project-tests/debuginfo-tests/llgdb-tests/asan.c b/cross-project-tests/debuginfo-tests/llgdb-tests/asan.c
index d281b867ff..f504a36161 100644
--- a/cross-project-tests/debuginfo-tests/llgdb-tests/asan.c
+++ b/cross-project-tests/debuginfo-tests/llgdb-tests/asan.c
@@ -1,6 +1,6 @@
-// RUN: %clang -fblocks %target_itanium_abi_host_triple -march=x86-64 %s -o %t.out -g -fsanitize=address
-// RUN: %test_debuginfo %s %t.out
-// REQUIRES: !asan, compiler-rt
+// RUN: %clang -fblocks %target_itanium_abi_host_triple -march=x86-64 %s -o
+// %t.out -g -fsanitize=address RUN: %test_debuginfo %s %t.out REQUIRES: !asan,
+// compiler-rt
 //           Zorg configures the ASAN stage2 bots to not build the asan
 //           compiler-rt. Only run this test on non-asanified configurations.
 // XFAIL: !system-darwin && gdb-clang-incompatibility
diff --git a/cross-project-tests/debuginfo-tests/llgdb-tests/safestack.c b/cross-project-tests/debuginfo-tests/llgdb-tests/safestack.c
index 5d17aa2bbd..a2a3bda7b1 100644
--- a/cross-project-tests/debuginfo-tests/llgdb-tests/safestack.c
+++ b/cross-project-tests/debuginfo-tests/llgdb-tests/safestack.c
@@ -1,7 +1,6 @@
-// RUN: %clang %target_itanium_abi_host_triple -march=x86-64 %s -o %t.out -g -fsanitize=safe-stack
-// RUN: %test_debuginfo %s %t.out
-// UNSUPPORTED: system-darwin
-// REQUIRES: !asan, compiler-rt
+// RUN: %clang %target_itanium_abi_host_triple -march=x86-64 %s -o %t.out -g
+// -fsanitize=safe-stack RUN: %test_debuginfo %s %t.out UNSUPPORTED:
+// system-darwin REQUIRES: !asan, compiler-rt
 //           Zorg configures the ASAN stage2 bots to not build the
 //           safestack compiler-rt.  Only run this test on
 //           non-asanified configurations.

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https://github.com/llvm/llvm-project/pull/98977