Merge pull request swiftlang#75196 from eeckstein/fix-test-6.0

[6.0] tests: add a missing `REQUIRES: executable_test` in SILOptimizer/stack-promotion-crash.swift

Author: eeckstein

test/SILOptimizer/stack-promotion-crash.swift

@@ -6,6 +6,8 @@
 // RUN: %target-codesign %t/a.out
 // RUN: %target-run %t/a.out | %FileCheck %s
 
+// REQUIRES: executable_test
+
 //--- module.modulemap
 
 module CModule {