rakudo.diff

diff --git a/src/core/CompUnit/PrecompilationRepository.pm b/src/core/CompUnit/PrecompilationRepository.pm
index d6df7f6..751d04e 100644
--- a/src/core/CompUnit/PrecompilationRepository.pm
+++ b/src/core/CompUnit/PrecompilationRepository.pm
@@ -206,7 +206,7 @@ class CompUnit::PrecompilationRepository::Default does CompUnit::PrecompilationR
           "--source-name=$source-name",
           $path,
           :out,
-          :err,
+          #:err,
         );
         %ENV.DELETE-KEY(<RAKUDO_PRECOMP_WITH>);
         %ENV.DELETE-KEY(<RAKUDO_PRECOMP_LOADING>);
@@ -216,13 +216,14 @@ class CompUnit::PrecompilationRepository::Default does CompUnit::PrecompilationR
         if not $proc.out.close or $proc.status {  # something wrong
             self.store.unlock;
             $RMD("Precomping $path failed: $proc.status()") if $RMD;
-            Rakudo::Internals.VERBATIM-EXCEPTION(1);
-            die $proc.err.slurp-rest;
+            die @result;
+            #Rakudo::Internals.VERBATIM-EXCEPTION(1);
+            #die $proc.err.slurp-rest;
         }
 
-        if $proc.err.slurp-rest -> $warnings {
-            $*ERR.print($warnings);
-        }
+        #if $proc.err.slurp-rest -> $warnings {
+        #    $*ERR.print($warnings);
+        #}
         unless $bc.e {
             $RMD("$path aborted precompilation without failure") if $RMD;
             self.store.unlock;
diff --git a/src/core/CompUnit/PrecompilationStore/File.pm b/src/core/CompUnit/PrecompilationStore/File.pm
index bce07e1..f27701f 100644
--- a/src/core/CompUnit/PrecompilationStore/File.pm
+++ b/src/core/CompUnit/PrecompilationStore/File.pm
@@ -37,8 +37,27 @@ class CompUnit::PrecompilationStore::File does CompUnit::PrecompilationStore {
         }
 
         method bytecode(--> Buf) {
+#?if !jvm
             self!read-dependencies;
             $!bytecode //= $!file.slurp-rest(:bin)
+            note("not for the JVM!");
+#?endif
+#?if jvm
+            # this can go once mixing get() and slurp-rest(:bin) on the JVM works
+            #$!file.seek(0);
+            #my $buf = $!file.slurp-rest(:bin);
+            my $buf = $!path.slurp(:bin);
+            my int $elems = $buf.elems;
+            my int $start = 0;
+            my $prev = 0x0a;
+            loop (my int $i = 0; $i < $elems; $i++) {
+                if $prev == 0x0a and $buf[$i] == 0x0a {
+                    $start = $i;
+                    last;
+                }
+            }
+            $!bytecode = $buf.subbuf($start + 1);
+#?endif
         }
 
         method bytecode-handle(--> IO::Handle) {