---

yaml
---
r: 96042
b: refs/heads/dist-snap
c: 86787f8
h: refs/heads/master
v: v3

Author: bors

[refs]

@@ -6,7 +6,7 @@ refs/heads/try: c274a6888410ce3e357e014568b43310ed787d36
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/ndm: f3868061cd7988080c30d6d5bf352a5a5fe2460b
 refs/heads/try2: 147ecfdd8221e4a4d4e090486829a06da1e0ca3c
-refs/heads/dist-snap: f698decf3701cc51a61bbc3e36971898339ba91e
+refs/heads/dist-snap: 86787f8befe0f8971f27bd15be1e16ec7aa99e7e
 refs/tags/release-0.2: c870d2dffb391e14efb05aa27898f1f6333a9596
 refs/tags/release-0.3: b5f0d0f648d9a6153664837026ba1be43d3e2503
 refs/heads/try3: 9387340aab40a73e8424c48fd42f0c521a4875c0

branches/dist-snap/src/librustc/driver/session.rs

@@ -76,6 +76,7 @@ pub static no_vectorize_loops:      uint = 1 << 26;
 pub static no_vectorize_slp:        uint = 1 << 27;
 pub static no_prepopulate_passes:   uint = 1 << 28;
 pub static use_softfp:              uint = 1 << 29;
+pub static gen_crate_map:           uint = 1 << 30;
 
 pub fn debugging_opts_map() -> ~[(&'static str, &'static str, uint)] {
     ~[("verbose", "in general, enable more debug printouts", verbose),
@@ -128,6 +129,7 @@ pub fn debugging_opts_map() -> ~[(&'static str, &'static str, uint)] {
       "Don't run LLVM's SLP vectorization passes",
       no_vectorize_slp),
      ("soft-float", "Generate software floating point library calls", use_softfp),
+     ("gen-crate-map", "Force generation of a toplevel crate map", gen_crate_map),
     ]
 }
 
@@ -331,6 +333,9 @@ impl Session_ {
     pub fn no_vectorize_slp(&self) -> bool {
         self.debugging_opt(no_vectorize_slp)
     }
+    pub fn gen_crate_map(&self) -> bool {
+        self.debugging_opt(gen_crate_map)
+    }
 
     // pointless function, now...
     pub fn str_of(&self, id: ast::Ident) -> @str {

branches/dist-snap/src/librustc/middle/trans/base.rs

@@ -2949,7 +2949,7 @@ pub fn decl_crate_map(sess: session::Session, mapmeta: LinkMeta,
     let mut n_subcrates = 1;
     let cstore = sess.cstore;
     while cstore::have_crate_data(cstore, n_subcrates) { n_subcrates += 1; }
-    let mapname = if *sess.building_library {
+    let mapname = if *sess.building_library && !sess.gen_crate_map() {
         format!("{}_{}_{}", mapmeta.name, mapmeta.vers, mapmeta.extras_hash)
     } else {
         ~"toplevel"