Re-enable test under precise compiler invocations

Author: adrian-prantl

lldb/test/API/lang/swift/clangimporter/objcmain_conflicting_dylibs_bridging_headers/TestSwiftObjCMainConflictingDylibsBridgingHeader.py

@@ -40,7 +40,10 @@ def test(self):
             'break here', lldb.SBFileSpec('Foo.swift'))
         process.Continue()
         self.expect("fr var foo", "expected result", substrs=["23"])
+        precise = self.dbg.GetSetting('symbols.swift-precise-compiler-invocation').GetBooleanValue()
+        if not precise:
+            return
         # FIXME: This should work with precise compiler invocations.
-        #self.expect("expression foo", "expected result", substrs=["$R3", "23"])
-        #self.expect("expression $R3", "expected result", substrs=["23"])
-        #self.expect("expression $R4", "expected result", substrs=["23"])
+        self.expect("expression foo", "expected result", substrs=["$R3", "23"])
+        self.expect("expression $R3", "expected result", substrs=["23"])
+        self.expect("expression $R4", "expected result", substrs=["23"])

lldb/test/API/lang/swift/clangimporter/objcmain_conflicting_dylibs_bridging_headers/dylib.mk

@@ -2,7 +2,7 @@ DYLIB_ONLY := YES
 DYLIB_NAME := $(BASENAME)
 DYLIB_SWIFT_SOURCES := $(DYLIB_NAME).swift
 SWIFT_BRIDGING_HEADER := $(DYLIB_NAME)/$(DYLIB_NAME)-Bridging.h
-SWIFT_PRECOMPILE_BRIDGING_HEADER := NO
+SWIFT_PRECOMPILE_BRIDGING_HEADER := YES
 SWIFT_OBJC_HEADER = $(DYLIB_NAME)-Swift.h
 SWIFT_OBJC_INTEROP := 1
 SWIFTFLAGS_EXTRAS = -Xcc -I$(SRCDIR)