---

yaml
---
r: 347130
b: refs/heads/master
c: 3ec4b4e
h: refs/heads/master

Author: swift-ci

[refs]

@@ -1,5 +1,5 @@
 ---
-refs/heads/master: 08b6871abb38b002d9bcdea07361b1574323b468
+refs/heads/master: 3ec4b4e0f9ee04ea597afa0e46565c3ba91ba3d4
 refs/heads/master-next: 203b3026584ecad859eb328b2e12490099409cd5
 refs/tags/osx-passed: b6b74147ef8a386f532cf9357a1bde006e552c54
 refs/tags/swift-2.2-SNAPSHOT-2015-12-01-a: 6bb18e013c2284f2b45f5f84f2df2887dc0f7dea

trunk/cmake/modules/AddSwift.cmake

@@ -1209,6 +1209,15 @@ function(_add_swift_library_single target name)
     "${SWIFTLIB_SINGLE_FORCE_BUILD_OPTIMIZED_keyword}"
     RESULT_VAR_NAME c_compile_flags
     )
+
+  if(SWIFTLIB_IS_STDLIB)
+    # We don't ever want to link against the ABI-breakage checking symbols
+    # in the standard library, runtime, or overlays because they only rely
+    # on the header parts of LLVM's ADT.
+    list(APPEND c_compile_flags
+      "-DLLVM_DISABLE_ABI_BREAKING_CHECKS_ENFORCING=1")
+  endif()
+
   if(SWIFTLIB_SINGLE_SDK STREQUAL WINDOWS)
     if(libkind STREQUAL SHARED)
       list(APPEND c_compile_flags -D_WINDLL)