Index: clang/lib/Format/ContinuationIndenter.cpp
===================================================================
--- clang/lib/Format/ContinuationIndenter.cpp
+++ clang/lib/Format/ContinuationIndenter.cpp
@@ -1451,6 +1451,8 @@
     CurrentState.NestedBlockIndent = CurrentState.Indent;
     if (Style.PackConstructorInitializers > FormatStyle::PCIS_BinPack)
       CurrentState.AvoidBinPacking = true;
+    else
+      CurrentState.BreakBeforeParameter = false;
   }
   if (Current.is(TT_InheritanceColon)) {
     CurrentState.Indent =
Index: clang/unittests/Format/FormatTest.cpp
===================================================================
--- clang/unittests/Format/FormatTest.cpp
+++ clang/unittests/Format/FormatTest.cpp
@@ -7950,6 +7950,11 @@
   verifyFormat("template <typename T>\n"
                "Constructor() : Initializer(FitsOnTheLine) {}",
                getStyleWithColumns(Style, 50));
+  verifyFormat(
+      "Class::Class(int some, int arguments, int loooooooooooooonoooooog,\n"
+      "             int mooooooooooooore) noexcept :\n"
+      "    Super{some, arguments}, Member{5}, Member2{2} {}",
+      Style);
   Style.PackConstructorInitializers = FormatStyle::PCIS_NextLine;
   verifyFormat(
       "SomeClass::Constructor() :\n"
@@ -7987,8 +7992,8 @@
       "    aaaaaaaaaaaaaaa(aaaaaaaaaaaa) {}",
       Style);
   verifyFormat("Constructor(aaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
-               "            aaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) :\n"
-               "    aaaaaaaaaa(aaaaaa) {}",
+               "            aaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) : "
+               "aaaaaaaaaa(aaaaaa) {}",
                Style);
 
   verifyFormat("Constructor() :\n"