Index: lib/Format/TokenAnnotator.cpp
===================================================================
--- lib/Format/TokenAnnotator.cpp
+++ lib/Format/TokenAnnotator.cpp
@@ -2631,7 +2631,8 @@
             Style.Standard == FormatStyle::LS_Cpp03) ||
            !(Left.isOneOf(tok::l_paren, tok::r_paren, tok::l_square,
                           tok::kw___super, TT_TemplateCloser,
-                          TT_TemplateOpener));
+                          TT_TemplateOpener)) ||
+           (Left.is(tok ::l_paren) && Style.SpacesInParentheses);
   if ((Left.is(TT_TemplateOpener)) != (Right.is(TT_TemplateCloser)))
     return Style.SpacesInAngles;
   // Space before TT_StructuredBindingLSquare.
Index: unittests/Format/FormatTest.cpp
===================================================================
--- unittests/Format/FormatTest.cpp
+++ unittests/Format/FormatTest.cpp
@@ -8797,6 +8797,7 @@
   FormatStyle Spaces = getLLVMStyle();
 
   Spaces.SpacesInParentheses = true;
+  verifyFormat("do_something( ::globalVar );", Spaces);
   verifyFormat("call( x, y, z );", Spaces);
   verifyFormat("call();", Spaces);
   verifyFormat("std::function<void( int, int )> callback;", Spaces);