[PATCH] D135857: [clangd] Fix a crash in ExtractFunction tweak.

[Haojian Wu via Phabricator via cfe-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rG7ac10e5b347f: [clangd] Fix a crash in ExtractFunction tweak. (authored by hokein).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D135857/new/

https://reviews.llvm.org/D135857

Files:
  clang-tools-extra/clangd/refactor/tweaks/ExtractFunction.cpp
  clang-tools-extra/clangd/unittests/tweaks/ExtractFunctionTests.cpp


Index: clang-tools-extra/clangd/unittests/tweaks/ExtractFunctionTests.cpp
===================================================================
--- clang-tools-extra/clangd/unittests/tweaks/ExtractFunctionTests.cpp
+++ clang-tools-extra/clangd/unittests/tweaks/ExtractFunctionTests.cpp
@@ -182,6 +182,7 @@
 
   // Shouldn't crash.
   EXPECT_EQ(apply("void f([[int a]]);"), "unavailable");
+  EXPECT_EQ(apply("void f(int a = [[1]]);"), "unavailable");
   // Don't extract if we select the entire function body (CompoundStmt).
   std::string CompoundFailInput = R"cpp(
     void f() [[{
Index: clang-tools-extra/clangd/refactor/tweaks/ExtractFunction.cpp
===================================================================
--- clang-tools-extra/clangd/refactor/tweaks/ExtractFunction.cpp
+++ clang-tools-extra/clangd/refactor/tweaks/ExtractFunction.cpp
@@ -248,6 +248,8 @@
       // FIXME: Support extraction from templated functions.
       if (Func->isTemplated())
         return nullptr;
+      if (!Func->getBody())
+        return nullptr;
       for (const auto *S : Func->getBody()->children()) {
         // During apply phase, we perform semantic analysis (e.g. figure out
         // what variables requires hoisting). We cannot perform those when the


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