Allow Subzero to parse function blocks in parallel.

tests_lit/parse_errs/insertextract-err.ll

Index: tests_lit/parse_errs/insertextract-err.ll
diff --git a/tests_lit/parse_errs/insertextract-err.ll b/tests_lit/parse_errs/insertextract-err.ll
index 7c2c1f8714279bda7d8a7126b7aa034f7b645d65..98989240a71435bbc1c8003bce936a974dc1c975 100644
--- a/tests_lit/parse_errs/insertextract-err.ll
+++ b/tests_lit/parse_errs/insertextract-err.ll
@@ -1,17 +1,13 @@
 ; Tests malformed insertelement and extractelement vector instructions.
 
-; RUN: %if --need=allow_dump --command llvm-as < %s \
-; RUN:   | %if --need=allow_dump --command pnacl-freeze \
-; RUN:   | %if --need=allow_dump --command not %pnacl_sz -notranslate \
-; RUN:     -build-on-read -allow-pnacl-reader-error-recovery \
-; RUN:     -filetype=obj -o /dev/null \
+; RUN: %if --need=allow_dump --command \
+; RUN:   %p2i --expect-fail -i %s --allow-pnacl-reader-error-recovery \
+; RUN:   --filetype=obj -o /dev/null --args -notranslate \
 ; RUN:   | %if --need=allow_dump --command FileCheck %s
 
-; RUN: %if --need=no_dump --command llvm-as < %s \
-; RUN:   | %if --need=no_dump --command pnacl-freeze \
-; RUN:   | %if --need=no_dump --command not %pnacl_sz -notranslate \
-; RUN:     -build-on-read -allow-pnacl-reader-error-recovery \
-; RUN:     -filetype=obj -o /dev/null \
+; RUN: %if --need=no_dump --command \
+; RUN:   %p2i --expect-fail -i %s --allow-pnacl-reader-error-recovery \
+; RUN:   --filetype=obj -o /dev/null --args -notranslate \
 ; RUN:   | %if --need=no_dump --command FileCheck %s --check-prefix=MIN
 
 define void @ExtractV4xi1(<4 x i1> %v, i32 %i) {