Merge pull request scala#7015 from seratch/minor-typo

Fix several minor typos in comments

Author: dwijnand

src/compiler/scala/tools/nsc/ast/TreeGen.scala

@@ -314,7 +314,7 @@ abstract class TreeGen extends scala.reflect.internal.TreeGen with TreeDSL {
       // Rewrite This(enclModuleClass) to Ident(enclModuleClass) to avoid unnecessary capture of the module
       // class, which might hamper serializability.
       //
-      // Analagous to this special case in ExplicitOuter: https://github.com/scala/scala/blob/d2d33ddf8c/src/compiler/scala/tools/nsc/transform/ExplicitOuter.scala#L410-L412
+      // Analogous to this special case in ExplicitOuter: https://github.com/scala/scala/blob/d2d33ddf8c/src/compiler/scala/tools/nsc/transform/ExplicitOuter.scala#L410-L412
       // that understands that such references shouldn't give rise to outer params.
       val enclosingStaticModules = owner.enclClassChain.filter(x => !x.hasPackageFlag && x.isModuleClass && x.isStatic)
       enclosingStaticModules.foldLeft(tree)((tree, moduleClass) => tree.substituteThis(moduleClass, gen.mkAttributedIdent(moduleClass.sourceModule)) )

src/compiler/scala/tools/nsc/backend/jvm/BCodeBodyBuilder.scala

@@ -568,7 +568,7 @@ abstract class BCodeBodyBuilder extends BCodeSkelBuilder {
             }
           }
 
-          // scala/bug#10290: qual can be `this.$outer()` (not just `this`), so we call genLoad (not jsut ALOAD_0)
+          // scala/bug#10290: qual can be `this.$outer()` (not just `this`), so we call genLoad (not just ALOAD_0)
           genLoad(superQual)
           genLoadArguments(args, paramTKs(app))
           generatedType = genCallMethod(fun.symbol, InvokeStyle.Super, app.pos, sup.tpe.typeSymbol)

src/compiler/scala/tools/nsc/transform/patmat/Solving.scala

@@ -528,7 +528,7 @@ trait Solving extends Logic {
       *
       * See also [[https://en.wikipedia.org/wiki/DPLL_algorithm]].
       *
-      * This implementation uses a `List` to reify the seach stack, thus making
+      * This implementation uses a `List` to reify the search stack, thus making
       * it run in constant stack space. The stack is composed of pairs of
       * `(remaining clauses, variable assignments)`, and depth-first search
       * is achieved by using a stack rather than a queue.

src/compiler/scala/tools/nsc/typechecker/Typers.scala

@@ -4172,7 +4172,7 @@ trait Typers extends Adaptations with Tags with TypersTracking with PatternTyper
     }
 
     //
-    // START: applyDynamic suport
+    // START: applyDynamic support
     //
     import treeInfo.{isApplyDynamicName, DynamicUpdate, DynamicApplicationNamed}
 
@@ -5963,10 +5963,10 @@ trait Typers extends Adaptations with Tags with TypersTracking with PatternTyper
 
     for (sym <- classes) {
       for ((ownAcc, superAcc) <- superConstructorCalls.getOrElse(sym, Nil)) {
-        // We have a corresponding paramter in the super class.
+        // We have a corresponding parameter in the super class.
         val superClazz = sym.superClass
         val alias = (
-          superAcc.initialize.alias // Is the param accessor is an alias for a field further up  the class heirarchy?
+          superAcc.initialize.alias // Is the param accessor is an alias for a field further up  the class hierarchy?
             orElse (superAcc getterIn superAcc.owner) // otherwise, lookup the accessor for the super
             filter (alias => superClazz.info.nonPrivateMember(alias.name) == alias) // the accessor must be public
           )

src/scalacheck/org/scalacheck/Prop.scala

@@ -496,7 +496,7 @@ object Prop {
 
   /**
    * This handles situations where we have a starting seed in our
-   * paramters.
+   * parameters.
    *
    * If we do, then we remove it from parameters and return it. If
    * not, we create a new random seed. The new parameters from this

src/scalacheck/org/scalacheck/Test.scala

@@ -128,7 +128,7 @@ object Test {
   /** Test parameters used by the check methods. Default
    *  parameters are defined by [[Test.Parameters.default]]. */
   object Parameters {
-    /** Default test parameters. Can be overriden if you need to
+    /** Default test parameters. Can be overridden if you need to
      *  tweak the parameters:
      *
      *  {{{

src/scalacheck/org/scalacheck/commands/Commands.scala

@@ -77,7 +77,7 @@ trait Commands {
   def destroySut(sut: Sut): Unit
 
   /** The precondition for the initial state, when no commands yet have
-   *  run. This is used by ScalaCheck when command sequences are shrinked
+   *  run. This is used by ScalaCheck when command sequences are shrunk
    *  and the first state might differ from what is returned from
    *  [[genInitialState]]. */
   def initialPreCondition(state: State): Boolean