Skip ABI verification for tests of __builtin_{frame,return}_address.

tools/toolchain_tester/known_failures_pnacl.txt

Index: tools/toolchain_tester/known_failures_pnacl.txt
diff --git a/tools/toolchain_tester/known_failures_pnacl.txt b/tools/toolchain_tester/known_failures_pnacl.txt
index 0050bd7f3c98341f474c369a65a49e1019ceda32..82287cf271dc4ad0f9a747c66ed8230b3c3b2969 100644
--- a/tools/toolchain_tester/known_failures_pnacl.txt
+++ b/tools/toolchain_tester/known_failures_pnacl.txt
@@ -37,9 +37,6 @@ pr39228.c
 va-arg-pack-1.c
 # prefetch broken on ARM
 builtin-prefetch-2.c arm
-# This uses __builtin_return_address(1)
-# Segfaults because of an uninit frame pointer (must force fp on?).
-20010122-1.c
 # DCE not performed at -O0 (wontfix?)
 medce-1.c O0
 fp-cmp-7.c O0
@@ -181,3 +178,12 @@ vector-shift.c
 vector-shift2.c
 vector-subscript-2.c
 vector-subscript-3.c
+
+# These tests use llvm.{frame,return}address, which PNaCl's ABI checker rejects.
+# This uses __builtin_return_address(1)

[Mark Seaborn, 2013/05/09 23:39:11]

'This uses' -> '20010122-1.c uses', otherwise this appears to refer to the whole
list.

+# Segfaults because of an uninit frame pointer (must force fp on?).

[Mark Seaborn, 2013/05/09 23:39:11]

'20010122-1.c segfaults...'

+20010122-1.c
+20030323-1.c
+20030811-1.c
+frame-address.c
+pr17377.c