Turn off dump/emit routines when building minimal subzero.

tests_lit/reader_tests/insertextract-err.ll

 ; Tests insertelement and extractelement vector instructions report
 ; errors when malformed. Note: We can only test literal indexing since
 ; llvm-as will not allow other bad forms of these instructions.
 
-; RUN: llvm-as < %s | pnacl-freeze | not %llvm2ice -notranslate \
+; REQUIRES: allow_dump
+; RUN: llvm-as < %s | pnacl-freeze \
+; RUN:   | not %llvm2ice -notranslate -build-on-read \
 ; RUN:     -allow-pnacl-reader-error-recovery | FileCheck %s
 
 define void @ExtractV4xi1(<4 x i1> %v, i32 %i) {
   %e0 = extractelement <4 x i1> %v, i32 %i
 ; CHECK: Error: {{.*}} not {{.*}} constant
   %e1 = extractelement <4 x i1> %v, i32 4
 ; CHECK: Error: {{.*}} not in range
   %e2 = extractelement <4 x i1> %v, i32 9
 ; CHECK: Error: {{.*}} not in range
   ret void
@@ skipping 122 matching lines @@
 
 define <4 x float> @InsertV4xfloat(<4 x float> %v, i32 %i) {
   %r0 = insertelement <4 x float> %v, float 3.0, i32 %i
 ; CHECK: Error: {{.*}} not {{.*}} constant
   %r1 = insertelement <4 x float> %v, float 3.0, i32 4
 ; CHECK: Error: {{.*}} not in range
   %r2 = insertelement <4 x float> %v, float 3.0, i32 44
 ; CHECK: Error: {{.*}} not in range
   ret <4 x float> %r2
 }