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authorbors <bors@rust-lang.org>2018-07-14 18:28:50 +0000
committerbors <bors@rust-lang.org>2018-07-14 18:28:50 +0000
commitcbcd81a4a9312146942f8781376cabc109bfbcf0 (patch)
tree2d269955921878d40b2f900eb8d6f09693330564
parent0db03e635a5e38ebc7635637b870b8fbcc8a7e46 (diff)
parentd332fc38f3f4f7910f505aff45f4742fd565dcca (diff)
Auto merge of #52379 - kennytm:revert-o3, r=rkruppe
Revert #52212 (revert set opt-level = 3)

Setting -O3 causes LLVM to spuriously segfault at least on Linux. This PR reverts to -O2.

cc #52378
-rw-r--r--src/Cargo.toml7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/Cargo.toml b/src/Cargo.toml
index be4db9d3e2a..5ae26fea2d1 100644
--- a/src/Cargo.toml
+++ b/src/Cargo.toml
@@ -40,6 +40,13 @@ members = [
   "tools/rls/test_data/workspace_symbol",
 ]
 
+# Curiously, LLVM 7.0 will segfault if compiled with opt-level=3
+# See issue https://github.com/rust-lang/rust/issues/52378
+[profile.release]
+opt-level = 2
+[profile.bench]
+opt-level = 2
+
 # These options are controlled from our rustc wrapper script, so turn them off
 # here and have them controlled elsewhere.
 [profile.dev]