[clang-format] Fix align consecutive declarations over function pointers

Fixes a bug that prevents alignment from proceeding through a function
pointer in a list of declarations.

Fixes #63451.

Differential Revision: https://reviews.llvm.org/D153585

Author: gedare

clang/lib/Format/WhitespaceManager.cpp

@@ -870,7 +870,7 @@ void WhitespaceManager::alignConsecutiveDeclarations() {
   AlignTokens(
       Style,
       [](Change const &C) {
-        if (C.Tok->is(TT_FunctionDeclarationName))
+        if (C.Tok->isOneOf(TT_FunctionDeclarationName, TT_FunctionTypeLParen))
           return true;
         if (C.Tok->isNot(TT_StartOfName))
           return false;

clang/unittests/Format/FormatTest.cpp

@@ -2059,6 +2059,8 @@ TEST_F(FormatTest, SeparatePointerReferenceAlignment) {
                "const unsigned int *d;\n"
                "Const unsigned int &e;\n"
                "const unsigned int &f;\n"
+               "int                *f1(int *a, int &b, int &&c);\n"
+               "double             *(*f2)(int *a, double &&b);\n"
                "const unsigned    &&g;\n"
                "Const unsigned      h;",
                Style);
@@ -2104,6 +2106,8 @@ TEST_F(FormatTest, SeparatePointerReferenceAlignment) {
                "const unsigned int* d;\n"
                "Const unsigned int& e;\n"
                "const unsigned int& f;\n"
+               "int*                f1(int* a, int& b, int&& c);\n"
+               "double*             (*f2)(int* a, double&& b);\n"
                "const unsigned&&    g;\n"
                "Const unsigned      h;",
                Style);
@@ -2129,6 +2133,8 @@ TEST_F(FormatTest, SeparatePointerReferenceAlignment) {
                "const unsigned int *d;\n"
                "Const unsigned int& e;\n"
                "const unsigned int& f;\n"
+               "int                *f1(int *a, int& b, int&& c);\n"
+               "double             *(*f2)(int *a, double&& b);\n"
                "const unsigned      g;\n"
                "Const unsigned      h;",
                Style);
@@ -2169,6 +2175,8 @@ TEST_F(FormatTest, SeparatePointerReferenceAlignment) {
                "const unsigned int*  d;\n"
                "Const unsigned int & e;\n"
                "const unsigned int & f;\n"
+               "int*                 f1(int* a, int & b, int && c);\n"
+               "double*              (*f2)(int* a, double && b);\n"
                "const unsigned &&    g;\n"
                "Const unsigned       h;",
                Style);
@@ -2194,6 +2202,8 @@ TEST_F(FormatTest, SeparatePointerReferenceAlignment) {
                "const unsigned int * d;\n"
                "Const unsigned int  &e;\n"
                "const unsigned int  &f;\n"
+               "int *                f1(int * a, int &b, int &&c);\n"
+               "double *             (*f2)(int * a, double &&b);\n"
                "const unsigned     &&g;\n"
                "Const unsigned       h;",
                Style);