[PATCH v3 03/14] change gdb.base/symbol-alias to xfail with clang

[Bruno Larsen <blarsen@redhat.com>]

Clang does not issue alias information, even when using -gfull.  This
commit adds an xfail to that test in case we are using clang to reduce
noise when testing.
---

No change in v3

no change in v2

---
 gdb/testsuite/gdb.base/symbol-alias.exp | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/gdb/testsuite/gdb.base/symbol-alias.exp b/gdb/testsuite/gdb.base/symbol-alias.exp
index 289f49bbc3f..f2b675e09ff 100644
--- a/gdb/testsuite/gdb.base/symbol-alias.exp
+++ b/gdb/testsuite/gdb.base/symbol-alias.exp
@@ -31,6 +31,11 @@ foreach f {"func" "func_alias"} {
 }
 
 # Variables.
-foreach v {"g_var_s" "g_var_s_alias"} {
-    gdb_test "p $v" "= {field1 = 1, field2 = 2}"
+gdb_test "p g_var_s" "= {field1 = 1, field2 = 2}"
+
+# clang doesn't include variable alias information in the dwarf:
+# https://github.com/llvm/llvm-project/issues/52664
+if [test_compiler_info {clang*}] {
+    setup_xfail "clang/52664" *-*-*
 }
+gdb_test "p g_var_s_alias" "= {field1 = 1, field2 = 2}"
-- 
2.31.1