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-rw-r--r--src/cmd/compile/internal/typecheck/expr.go13
-rw-r--r--test/fixedbugs/issue77919.go15
2 files changed, 15 insertions, 13 deletions
diff --git a/src/cmd/compile/internal/typecheck/expr.go b/src/cmd/compile/internal/typecheck/expr.go
index 44a69f0332..7dc29636cc 100644
--- a/src/cmd/compile/internal/typecheck/expr.go
+++ b/src/cmd/compile/internal/typecheck/expr.go
@@ -7,7 +7,6 @@ package typecheck
import (
"fmt"
"go/constant"
- "go/token"
"internal/types/errors"
"strings"
@@ -826,18 +825,6 @@ func tcSliceHeader(n *ir.SliceHeaderExpr) ir.Node {
n.Len = DefaultLit(Expr(n.Len), types.Types[types.TINT])
n.Cap = DefaultLit(Expr(n.Cap), types.Types[types.TINT])
- if ir.IsConst(n.Len, constant.Int) && ir.Int64Val(n.Len) < 0 {
- base.Fatalf("len for OSLICEHEADER must be non-negative")
- }
-
- if ir.IsConst(n.Cap, constant.Int) && ir.Int64Val(n.Cap) < 0 {
- base.Fatalf("cap for OSLICEHEADER must be non-negative")
- }
-
- if ir.IsConst(n.Len, constant.Int) && ir.IsConst(n.Cap, constant.Int) && constant.Compare(n.Len.Val(), token.GTR, n.Cap.Val()) {
- base.Fatalf("len larger than cap for OSLICEHEADER")
- }
-
return n
}
diff --git a/test/fixedbugs/issue77919.go b/test/fixedbugs/issue77919.go
new file mode 100644
index 0000000000..834331e49e
--- /dev/null
+++ b/test/fixedbugs/issue77919.go
@@ -0,0 +1,15 @@
+// compile
+
+// Copyright 2026 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+var sink any
+
+func main() {
+ i := 0
+ output := make([]string, 8, i)
+ sink = output
+}