[gardening] Fix recently introduced typos

include/swift/SILOptimizer/Analysis/SideEffectAnalysis.h

@@ -252,7 +252,7 @@ class SideEffectAnalysis : public BottomUpIPAnalysis {
     /// Merge effects from \p RHS.
     bool mergeFrom(const FunctionEffects &RHS);
 
-    /// Merge effects from an function apply site within the function.
+    /// Merge effects from a function apply site within the function.
     bool mergeFromApply(const FunctionEffects &CalleeEffects,
                         SILInstruction *FAS);
 

lib/Driver/Driver.cpp

@@ -270,7 +270,7 @@ static bool populateOutOfDateMap(InputInfoMap &map, StringRef argsHashStr,
       if (!value)
         return true;
 
-      // NB: We check aginst
+      // NB: We check against
       // swift::version::Version::getCurrentLanguageVersion() here because any
       // -swift-version argument is handled in the argsHashStr check that
       // follows.

lib/SILOptimizer/Analysis/ValueTracking.cpp

@@ -33,7 +33,7 @@ bool swift::isNotAliasingArgument(SILValue V,
                                        isInoutAliasing);
 }
 
-/// Check if the the parameter \V is based on a local object, e.g. it is an
+/// Check if the parameter \V is based on a local object, e.g. it is an
 /// allocation instruction or a struct/tuple constructed from the local objects.
 /// Returns a found local object. If a local object was not found, returns an
 /// empty SILValue.

utils/symbolicate-linux-fatal

@@ -13,7 +13,7 @@
 #
 # Symbolicates fatalError stack traces on Linux. Takes the main binary
 # and a log file containing a stack trace. Non-stacktrace lines are output
-# unmodified. Stack trace elements are analysed using reconstructed debug
+# unmodified. Stack trace elements are analyzed using reconstructed debug
 # target matching the original process in where shared libs where mapped.
 #
 # TODOs: