Fix a lot of Scala compilation warnings - #3775
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tymcauley
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Removed this change since it's not available on the version of Scala that runs in CI (2.13.12) diff --git a/src/main/scala/util/SimpleProduct.scala b/src/main/scala/util/SimpleProduct.scala
index 50e99307c..b3cbbeb00 100644
--- a/src/main/scala/util/SimpleProduct.scala
+++ b/src/main/scala/util/SimpleProduct.scala
@@ -20,7 +20,7 @@ trait SimpleProduct extends Product with Equals {
case _ => false
}
- override def hashCode: Int = scala.util.hashing.MurmurHash3.productHash(this)
+ override def hashCode: Int = scala.util.hashing.MurmurHash3.caseClassHash(this)This deprecation happened in Scala 2.13.17. |
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@sequencer in case you have time to review this PR. |
jerryz123
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Dec 22, 2025
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Thanks for reviewing this @jerryz123! I now notice that the master branch is ahead of the dev branch. Should I re-target this to be on the master branch instead? |
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December 24, 2025 10:40
These types were moved from the `chisel3.experimental` package to `chisel3` in chipsalliance/chisel#5099 (with the `chisel3.experimental` types being deprecated), so the wildcard import causes import-conflict errors on Chisel 7.5.0.
tymcauley
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@jerryz123 Okay rebased on master, and targeted to merge there now. |
savnastou
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tynan-jdwk
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Updating to a recent Chisel 7 version pulls in chipsalliance/chisel#5099, which causes source incompatibilities in Rocket Chip. That was fixed in chipsalliance/rocket-chip#3775, so I bumped that submodule to the latest. That in turn causes an incompatibility with Shuttle. That was fixed in ucb-bar/shuttle#15, so I bumped that submodule to latest. Updating to a non-RC version of Chisel 7 also causes linking errors with json4s, as mentioned in chipsalliance/chisel#4955. So I've updated the version of json4s-jackson that Rocket Chip uses during the Chisel 7 build.
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This resolves a lot of compilation warnings, and also fixes compilation for Chisel 7.5.0 (due to the import conflict introduced by chipsalliance/chisel#5099).
Related issue: N/A
Type of change: other enhancement
Impact: no functional change
Development Phase: implementation
Release Notes
Resolve Scala compilation warnings