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authorbors <bors@rust-lang.org>2018-09-28 06:40:32 +0000
committerbors <bors@rust-lang.org>2018-09-28 06:40:32 +0000
commitbd8d030d014a4aa13b9b02b0ce98e2de2a2c54be (patch)
treef9073c5d1269b2c8c372857159d5e59b9e5808c1 /src/librustc_metadata/decoder.rs
parentc222479c6feb036e5e5198e068aa9824d855ffa4 (diff)
parent2d7edf908d5767567d20bec2440099b317169d8d (diff)
downloadrust-bd8d030d014a4aa13b9b02b0ce98e2de2a2c54be.tar.gz
rust-bd8d030d014a4aa13b9b02b0ce98e2de2a2c54be.zip
Auto merge of #54338 - orium:fix-macro-inc-comp, r=nrc
Use full name to identify a macro in a `FileName`.

Before this two macros with same name would be indistinguishable inside a `FileName`.  This caused a bug in incremental compilation (see #53097) since two different macros would map out to the same `StableFilemapId`.

Fixes #53097.

r? @nrc
Diffstat (limited to 'src/librustc_metadata/decoder.rs')
-rw-r--r--src/librustc_metadata/decoder.rs4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/librustc_metadata/decoder.rs b/src/librustc_metadata/decoder.rs
index 35ce6eb91b6..33a4af053eb 100644
--- a/src/librustc_metadata/decoder.rs
+++ b/src/librustc_metadata/decoder.rs
@@ -1106,10 +1106,10 @@ impl<'a, 'tcx> CrateMetadata {
         }
     }
 
-    pub fn get_macro(&self, id: DefIndex) -> (InternedString, MacroDef) {
+    pub fn get_macro(&self, id: DefIndex) -> MacroDef {
         let entry = self.entry(id);
         match entry.kind {
-            EntryKind::MacroDef(macro_def) => (self.item_name(id), macro_def.decode(self)),
+            EntryKind::MacroDef(macro_def) => macro_def.decode(self),
             _ => bug!(),
         }
     }