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

tools/toolchain_tester/known_failures_pnacl.txt

 # NOTE:
 # progress on eliminating failures here should be recorded via
 # http://code.google.com/p/nativeclient/issues/detail?id=2204
 # ======================================================================
 # failures in phase sel_ldr
 # ======================================================================
 # alignment issues using __alignof__ (or stack alignment)
 alloca-1.c arm,O0
 alloca-1.c x86-64
 alloca-1.c x86-32
@@ skipping 19 matching lines @@
 # undef signal
 fp-cmp-3.c
 # undef isinfl
 pr39228.c
 # undef signal
 20101011-1.c
 # undef __builtin_va_arg_pack
 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
 # ======================================================================
 # failures in phase compile-bc
 # ======================================================================
 # unknown builtin __builtin_malloc (wontfix?)
 20071018-1.c
 20071120-1.c
 pr36765.c
@@ skipping 121 matching lines @@
 20050607-1.c
 20060420-1.c
 simd-2.c
 simd-4.c
 simd-5.c
 simd-6.c
 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.
+# The test 20010122-1.c uses __builtin_return_address(1), and it segfaults
+# because of an uninit frame pointer (must force fp on?).
+20010122-1.c
+20030323-1.c
+20030811-1.c
+frame-address.c
+pr17377.c