changelog

nim-lang · Apr 22, 2020 · 018132d · 018132d
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diff --git a/changelog.md b/changelog.md
@@ -74,6 +74,8 @@
 ## Compiler changes
 
 - Specific warnings can now be turned into errors via `--warningAsError[X]:on|off`.
+- `--warningAsError:on|off` turns all enabled warnings into errors (or back to warnings),
+- `--warningAsError:on` is now enabled in compiler/config.nims
 - The `define` and `undef` pragmas have been de-deprecated.
 
 ## Tool changes

diff --git a/compiler/config.nims b/compiler/config.nims
@@ -1,2 +1,4 @@
 when defined nimHasWarningAsErrorAll:
+  # keep this flag on to prevent future warning regressions, but if unbearable,
+  # disable specific ones via `switch("warningAsError", "foo:off")`
   switch("warningAsError", "on")