[libc++abi][libunwind] Enable AT&T syntax explicitly (#166818)
Implementation files using the Intel syntax typically explicitly specify
it. Do the same for the few files where applicable for AT&T.
This enables building LLVM with `-mllvm -x86-asm-syntax=intel` in one's
Clang config files (i.e. a global preference for Intel syntax).
NOKEYCHECK=True
GitOrigin-RevId: afc83688cfadfb07c1cd9edc4f3c855d7cf4a261
diff --git a/test/native/x86_64/lpstart-zero.pass.sh.s b/test/native/x86_64/lpstart-zero.pass.sh.s
index e18134c..7f1da22 100644
--- a/test/native/x86_64/lpstart-zero.pass.sh.s
+++ b/test/native/x86_64/lpstart-zero.pass.sh.s
@@ -23,6 +23,7 @@
## The exception table is modified to use udata4 encoding for LPStart and
## sdata4 encoding for call sites.
+ .att_syntax
.text
.globl main # -- Begin function main
.p2align 4, 0x90
