diff --git a/src/internal/runtime/maps/runtime_fast32_swiss.go b/src/internal/runtime/maps/runtime_fast32_swiss.go
index ff5815abdd1..15facbfe8a6 100644
--- a/src/internal/runtime/maps/runtime_fast32_swiss.go
+++ b/src/internal/runtime/maps/runtime_fast32_swiss.go
@@ -48,7 +48,8 @@ func runtime_mapaccess1_fast32(typ *abi.SwissMapType, m *Map, key uint32) unsafe
 		return unsafe.Pointer(&zeroVal[0])
 	}
 
-	hash := typ.Hasher(abi.NoEscape(unsafe.Pointer(&key)), m.seed)
+	k := key
+	hash := typ.Hasher(abi.NoEscape(unsafe.Pointer(&k)), m.seed)
 
 	// Select table.
 	idx := m.directoryIndex(hash)
@@ -116,7 +117,8 @@ func runtime_mapaccess2_fast32(typ *abi.SwissMapType, m *Map, key uint32) (unsaf
 		return unsafe.Pointer(&zeroVal[0]), false
 	}
 
-	hash := typ.Hasher(abi.NoEscape(unsafe.Pointer(&key)), m.seed)
+	k := key
+	hash := typ.Hasher(abi.NoEscape(unsafe.Pointer(&k)), m.seed)
 
 	// Select table.
 	idx := m.directoryIndex(hash)
@@ -203,7 +205,8 @@ func runtime_mapassign_fast32(typ *abi.SwissMapType, m *Map, key uint32) unsafe.
 		fatal("concurrent map writes")
 	}
 
-	hash := typ.Hasher(abi.NoEscape(unsafe.Pointer(&key)), m.seed)
+	k := key
+	hash := typ.Hasher(abi.NoEscape(unsafe.Pointer(&k)), m.seed)
 
 	// Set writing after calling Hasher, since Hasher may panic, in which
 	// case we have not actually done a write.
@@ -336,7 +339,8 @@ func runtime_mapassign_fast32ptr(typ *abi.SwissMapType, m *Map, key unsafe.Point
 		fatal("concurrent map writes")
 	}
 
-	hash := typ.Hasher(abi.NoEscape(unsafe.Pointer(&key)), m.seed)
+	k := key
+	hash := typ.Hasher(abi.NoEscape(unsafe.Pointer(&k)), m.seed)
 
 	// Set writing after calling Hasher, since Hasher may panic, in which
 	// case we have not actually done a write.
diff --git a/src/internal/runtime/maps/runtime_fast64_swiss.go b/src/internal/runtime/maps/runtime_fast64_swiss.go
index 90e84f83d25..f08e7ef8690 100644
--- a/src/internal/runtime/maps/runtime_fast64_swiss.go
+++ b/src/internal/runtime/maps/runtime_fast64_swiss.go
@@ -48,7 +48,8 @@ func runtime_mapaccess1_fast64(typ *abi.SwissMapType, m *Map, key uint64) unsafe
 		return unsafe.Pointer(&zeroVal[0])
 	}
 
-	hash := typ.Hasher(abi.NoEscape(unsafe.Pointer(&key)), m.seed)
+	k := key
+	hash := typ.Hasher(abi.NoEscape(unsafe.Pointer(&k)), m.seed)
 
 	// Select table.
 	idx := m.directoryIndex(hash)
@@ -116,7 +117,8 @@ func runtime_mapaccess2_fast64(typ *abi.SwissMapType, m *Map, key uint64) (unsaf
 		return unsafe.Pointer(&zeroVal[0]), false
 	}
 
-	hash := typ.Hasher(abi.NoEscape(unsafe.Pointer(&key)), m.seed)
+	k := key
+	hash := typ.Hasher(abi.NoEscape(unsafe.Pointer(&k)), m.seed)
 
 	// Select table.
 	idx := m.directoryIndex(hash)
@@ -203,7 +205,8 @@ func runtime_mapassign_fast64(typ *abi.SwissMapType, m *Map, key uint64) unsafe.
 		fatal("concurrent map writes")
 	}
 
-	hash := typ.Hasher(abi.NoEscape(unsafe.Pointer(&key)), m.seed)
+	k := key
+	hash := typ.Hasher(abi.NoEscape(unsafe.Pointer(&k)), m.seed)
 
 	// Set writing after calling Hasher, since Hasher may panic, in which
 	// case we have not actually done a write.
@@ -374,7 +377,8 @@ func runtime_mapassign_fast64ptr(typ *abi.SwissMapType, m *Map, key unsafe.Point
 		fatal("concurrent map writes")
 	}
 
-	hash := typ.Hasher(abi.NoEscape(unsafe.Pointer(&key)), m.seed)
+	k := key
+	hash := typ.Hasher(abi.NoEscape(unsafe.Pointer(&k)), m.seed)
 
 	// Set writing after calling Hasher, since Hasher may panic, in which
 	// case we have not actually done a write.
diff --git a/src/internal/runtime/maps/runtime_faststr_swiss.go b/src/internal/runtime/maps/runtime_faststr_swiss.go
index a104945501d..077c05ae8b9 100644
--- a/src/internal/runtime/maps/runtime_faststr_swiss.go
+++ b/src/internal/runtime/maps/runtime_faststr_swiss.go
@@ -124,7 +124,8 @@ func runtime_mapaccess1_faststr(typ *abi.SwissMapType, m *Map, key string) unsaf
 		return elem
 	}
 
-	hash := typ.Hasher(abi.NoEscape(unsafe.Pointer(&key)), m.seed)
+	k := key
+	hash := typ.Hasher(abi.NoEscape(unsafe.Pointer(&k)), m.seed)
 
 	// Select table.
 	idx := m.directoryIndex(hash)
@@ -182,7 +183,8 @@ func runtime_mapaccess2_faststr(typ *abi.SwissMapType, m *Map, key string) (unsa
 		return elem, true
 	}
 
-	hash := typ.Hasher(abi.NoEscape(unsafe.Pointer(&key)), m.seed)
+	k := key
+	hash := typ.Hasher(abi.NoEscape(unsafe.Pointer(&k)), m.seed)
 
 	// Select table.
 	idx := m.directoryIndex(hash)
@@ -271,7 +273,8 @@ func runtime_mapassign_faststr(typ *abi.SwissMapType, m *Map, key string) unsafe
 		fatal("concurrent map writes")
 	}
 
-	hash := typ.Hasher(abi.NoEscape(unsafe.Pointer(&key)), m.seed)
+	k := key
+	hash := typ.Hasher(abi.NoEscape(unsafe.Pointer(&k)), m.seed)
 
 	// Set writing after calling Hasher, since Hasher may panic, in which
 	// case we have not actually done a write.