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authorbors <bors@rust-lang.org>2018-01-31 20:51:02 +0000
committerbors <bors@rust-lang.org>2018-01-31 20:51:02 +0000
commit8ccab7eed5f4fc93500fbf242e575073ca70d7cb (patch)
treef0bd6d1dd0033e29407991b9bbe13c7c7a764abf /src/librustc_errors/emitter.rs
parent560a2f4faf4828ba5f48fe2bd7709265c2f5354d (diff)
parentaf95302d3cb2f5cd59eb38b88eab6a054d965e9f (diff)
downloadrust-8ccab7eed5f4fc93500fbf242e575073ca70d7cb.tar.gz
rust-8ccab7eed5f4fc93500fbf242e575073ca70d7cb.zip
Auto merge of #47900 - kennytm:rollup, r=kennytm
Rollup of 16 pull requests

- Successful merges: #47838, #47840, #47844, #47874, #47875, #47876, #47884, #47886, #47889, #47890, #47891, #47795, #47677, #47893, #47895, #47552
- Failed merges:
Diffstat (limited to 'src/librustc_errors/emitter.rs')
-rw-r--r--src/librustc_errors/emitter.rs4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/librustc_errors/emitter.rs b/src/librustc_errors/emitter.rs
index a59f68a6442..a49284eb55a 100644
--- a/src/librustc_errors/emitter.rs
+++ b/src/librustc_errors/emitter.rs
@@ -290,6 +290,10 @@ impl EmitterWriter {
                           line: &Line,
                           width_offset: usize,
                           code_offset: usize) -> Vec<(usize, Style)> {
+        if line.line_index == 0 {
+            return Vec::new();
+        }
+
         let source_string = match file.get_line(line.line_index - 1) {
             Some(s) => s,
             None => return Vec::new(),