cmd/compile: cleanup ir.Package

Decls used to contain initializer statement for package-level
variables, but now it only contains ir.Funcs. So we might as well
rename it to Funcs and tighten its type to []*ir.Func.

Similarly, Externs always contains *ir.Names, so its type can be
constrained too.

Change-Id: I85b833e2f83d9d3559ab0ef8ab5d8324f4bc37b6
Reviewed-on: https://go-review.googlesource.com/c/go/+/517855
Reviewed-by: Cuong Manh Le <cuong.manhle.vn@gmail.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
Auto-Submit: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/cmd/compile/internal/reflectdata/alg.go b/src/cmd/compile/internal/reflectdata/alg.go
index 69de685ca0..4489f59c26 100644
--- a/src/cmd/compile/internal/reflectdata/alg.go
+++ b/src/cmd/compile/internal/reflectdata/alg.go
@@ -242,7 +242,7 @@ func hashFunc(t *types.Type) *ir.Func {
 	})
 
 	fn.SetNilCheckDisabled(true)
-	typecheck.Target.Decls = append(typecheck.Target.Decls, fn)
+	typecheck.Target.Funcs = append(typecheck.Target.Funcs, fn)
 
 	return fn
 }
@@ -630,7 +630,7 @@ func eqFunc(t *types.Type) *ir.Func {
 	// neither of which can be nil, and our comparisons
 	// are shallow.
 	fn.SetNilCheckDisabled(true)
-	typecheck.Target.Decls = append(typecheck.Target.Decls, fn)
+	typecheck.Target.Funcs = append(typecheck.Target.Funcs, fn)
 	return fn
 }