From 7bd3207921b3db0b329c397c4dac8b25bd713ff3 Mon Sep 17 00:00:00 2001
From: Andrew Kelley <andrew@ziglang.org>
Date: Sun, 27 Apr 2025 12:17:59 -0700
Subject: make `@memcpy` and `@memmove` share panic handlers

---
 lib/std/debug/no_panic.zig     | 10 ++++------
 lib/std/debug/simple_panic.zig | 11 +++++------
 2 files changed, 9 insertions(+), 12 deletions(-)

(limited to 'lib/std/debug')

diff --git a/lib/std/debug/no_panic.zig b/lib/std/debug/no_panic.zig
index ccecc89a87..0a4996097a 100644
--- a/lib/std/debug/no_panic.zig
+++ b/lib/std/debug/no_panic.zig
@@ -125,17 +125,15 @@ pub fn forLenMismatch() noreturn {
     @trap();
 }
 
-pub fn memcpyLenMismatch() noreturn {
-    @branchHint(.cold);
-    @trap();
-}
+/// Delete after next zig1.wasm update
+pub const memcpyLenMismatch = copyLenMismatch;
 
-pub fn memcpyAlias() noreturn {
+pub fn copyLenMismatch() noreturn {
     @branchHint(.cold);
     @trap();
 }
 
-pub fn memmoveLenMismatch() noreturn {
+pub fn memcpyAlias() noreturn {
     @branchHint(.cold);
     @trap();
 }
diff --git a/lib/std/debug/simple_panic.zig b/lib/std/debug/simple_panic.zig
index 724061021f..568f7de495 100644
--- a/lib/std/debug/simple_panic.zig
+++ b/lib/std/debug/simple_panic.zig
@@ -120,18 +120,17 @@ pub fn forLenMismatch() noreturn {
     call("for loop over objects with non-equal lengths", null);
 }
 
-pub fn memcpyLenMismatch() noreturn {
-    call("@memcpy arguments have non-equal lengths", null);
+/// Delete after next zig1.wasm update
+pub const memcpyLenMismatch = copyLenMismatch;
+
+pub fn copyLenMismatch() noreturn {
+    call("source and destination have non-equal lengths", null);
 }
 
 pub fn memcpyAlias() noreturn {
     call("@memcpy arguments alias", null);
 }
 
-pub fn memmoveLenMismatch() noreturn {
-    call("@memmove arguments have non-equal lengths", null);
-}
-
 pub fn noreturnReturned() noreturn {
     call("'noreturn' function returned", null);
 }
-- 
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