Nospecialize close(c::Channel, excp::Exception) on excp.

Fixes #49507. Avoids dynamic dispatch when closing a Channel with an Exception, and should avoid a call into the runtime for julia compilation when attempting to report an exception.
JuliaLang · Apr 26, 2023 · 36ace54 · 36ace54
1 parent b12ddca
commit 36ace54
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/base/channels.jl b/base/channels.jl
@@ -183,7 +183,7 @@ Close a channel. An exception (optionally given by `excp`), is thrown by:
 * [`put!`](@ref) on a closed channel.
 * [`take!`](@ref) and [`fetch`](@ref) on an empty, closed channel.
 """
-function close(c::Channel, excp::Exception=closed_exception())
+function close(c::Channel, @nospecialize(excp::Exception=closed_exception()))
     lock(c)
     try
         c.excp = excp