[PATCH] D111648: [clangd] TargetFinder: Fix assert-crash on TemplateExpansion args.

[Adam Czachorowski via Phabricator via cfe-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rGfba563e92b64: [clangd] TargetFinder: Fix assert-crash on 
TemplateExpansion args. (authored by adamcz).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D111648/new/

https://reviews.llvm.org/D111648

Files:
  clang-tools-extra/clangd/FindTarget.cpp
  clang-tools-extra/clangd/unittests/FindTargetTests.cpp


Index: clang-tools-extra/clangd/unittests/FindTargetTests.cpp
===================================================================
--- clang-tools-extra/clangd/unittests/FindTargetTests.cpp
+++ clang-tools-extra/clangd/unittests/FindTargetTests.cpp
@@ -341,6 +341,15 @@
   EXPECT_DECLS("TemplateSpecializationTypeLoc", "template <typename> class T");
   Flags.clear();
 
+  Code = R"cpp(
+  template<template<typename> class ...T>
+  class C {
+    C<[[T...]]> foo;
+    };
+  )cpp";
+  EXPECT_DECLS("TemplateArgumentLoc", {"template <typename> class ...T"});
+  Flags.clear();
+
   Code = R"cpp(
     struct S{};
     S X;
Index: clang-tools-extra/clangd/FindTarget.cpp
===================================================================
--- clang-tools-extra/clangd/FindTarget.cpp
+++ clang-tools-extra/clangd/FindTarget.cpp
@@ -507,7 +507,8 @@
     // DeclRefExpr).
     if (Arg.getKind() == TemplateArgument::Template ||
         Arg.getKind() == TemplateArgument::TemplateExpansion) {
-      if (TemplateDecl *TD = Arg.getAsTemplate().getAsTemplateDecl()) {
+      if (TemplateDecl *TD =
+              Arg.getAsTemplateOrTemplatePattern().getAsTemplateDecl()) {
         report(TD, Flags);
       }
     }



Index: clang-tools-extra/clangd/unittests/FindTargetTests.cpp
===================================================================
--- clang-tools-extra/clangd/unittests/FindTargetTests.cpp
+++ clang-tools-extra/clangd/unittests/FindTargetTests.cpp
@@ -341,6 +341,15 @@
   EXPECT_DECLS("TemplateSpecializationTypeLoc", "template <typename> class T");
   Flags.clear();
 
+  Code = R"cpp(
+  template<template<typename> class ...T>
+  class C {
+    C<[[T...]]> foo;
+    };
+  )cpp";
+  EXPECT_DECLS("TemplateArgumentLoc", {"template <typename> class ...T"});
+  Flags.clear();
+
   Code = R"cpp(
     struct S{};
     S X;
Index: clang-tools-extra/clangd/FindTarget.cpp
===================================================================
--- clang-tools-extra/clangd/FindTarget.cpp
+++ clang-tools-extra/clangd/FindTarget.cpp
@@ -507,7 +507,8 @@
     // DeclRefExpr).
     if (Arg.getKind() == TemplateArgument::Template ||
         Arg.getKind() == TemplateArgument::TemplateExpansion) {
-      if (TemplateDecl *TD = Arg.getAsTemplate().getAsTemplateDecl()) {
+      if (TemplateDecl *TD =
+              Arg.getAsTemplateOrTemplatePattern().getAsTemplateDecl()) {
         report(TD, Flags);
       }
     }

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