Merge pull request #59666 from hamishknight/a-complete-parse

Author: hamishknight

lib/Parse/ParseDecl.cpp

@@ -7383,7 +7383,8 @@ Parser::parseAbstractFunctionBodyImpl(AbstractFunctionDecl *AFD) {
   // In implicit getter, if a CC token is the first token after '{', it might
   // be a start of an accessor block. Perform special completion for that.
   if (auto accessor = dyn_cast<AccessorDecl>(AFD)) {
-    if (peekToken().is(tok::code_complete) && accessor->isImplicitGetter()) {
+    if (CodeCompletion && peekToken().is(tok::code_complete) &&
+        accessor->isImplicitGetter()) {
       SourceLoc LBraceLoc, RBraceLoc;
       LBraceLoc = consumeToken(tok::l_brace);
       auto *CCE = new (Context) CodeCompletionExpr(Tok.getLoc());

test/SourceKit/CodeComplete/rdar95772803.swift

@@ -0,0 +1,14 @@
+
+var foo: Double { 1 / 2 }
+var bar: Regex<Substring> { /x/ }
+var baz: Regex<Substring> { / x/ }
+var qux: Regex<Substring> { / x}/ }
+
+// Check that we are not crashing
+// RUN: %sourcekitd-test \
+// RUN: -req=complete -pos=2:18 %s -- -enable-bare-slash-regex %s == \
+// RUN: -req=complete -pos=3:28 %s -- -enable-bare-slash-regex %s == \
+// RUN: -req=complete -pos=4:28 %s -- -enable-bare-slash-regex %s == \
+// RUN: -req=complete -pos=5:28 %s -- -enable-bare-slash-regex %s
+
+// REQUIRES: swift_in_compiler