llvmbot wrote:

<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang-format

Author: Owen Pan (owenca)

<details>
<summary>Changes</summary>

Don't insert a space between a type declaration r_paren and &amp;/&amp;&amp;.

Fixes #<!-- -->124073.

---
Full diff: https://github.com/llvm/llvm-project/pull/124085.diff


2 Files Affected:

- (modified) clang/lib/Format/TokenAnnotator.cpp (+2-2) 
- (modified) clang/unittests/Format/FormatTest.cpp (+1-1) 


``````````diff
diff --git a/clang/lib/Format/TokenAnnotator.cpp 
b/clang/lib/Format/TokenAnnotator.cpp
index bf5ee281c43119..f36cf7b638e0d2 100644
--- a/clang/lib/Format/TokenAnnotator.cpp
+++ b/clang/lib/Format/TokenAnnotator.cpp
@@ -5488,8 +5488,8 @@ bool TokenAnnotator::spaceRequiredBefore(const 
AnnotatedLine &Line,
   }
   if ((Left.is(TT_TemplateOpener)) != (Right.is(TT_TemplateCloser)))
     return ShouldAddSpacesInAngles();
-  if (Left.is(tok::r_paren) && Right.is(TT_PointerOrReference) &&
-      Right.isOneOf(tok::amp, tok::ampamp)) {
+  if (Left.is(tok::r_paren) && Left.isNot(TT_TypeDeclarationParen) &&
+      Right.is(TT_PointerOrReference) && Right.isOneOf(tok::amp, tok::ampamp)) 
{
     return true;
   }
   // Space before TT_StructuredBindingLSquare.
diff --git a/clang/unittests/Format/FormatTest.cpp 
b/clang/unittests/Format/FormatTest.cpp
index 61aa140dfdc9c0..265461561d2012 100644
--- a/clang/unittests/Format/FormatTest.cpp
+++ b/clang/unittests/Format/FormatTest.cpp
@@ -2084,7 +2084,6 @@ TEST_F(FormatTest, SeparatePointerReferenceAlignment) {
                Style);
 
   Style.PointerAlignment = FormatStyle::PAS_Left;
-  Style.ReferenceAlignment = FormatStyle::RAS_Pointer;
   verifyFormat("int* f1(int* a, int& b, int&& c);", Style);
   verifyFormat("int& f2(int&& c, int* a, int& b);", Style);
   verifyFormat("int&& f3(int& b, int&& c, int* a);", Style);
@@ -2118,6 +2117,7 @@ TEST_F(FormatTest, SeparatePointerReferenceAlignment) {
       "function<int(int&)> res1 = [](int& a) { return 0000000000000; },\n"
       "                    res2 = [](int& a) { return 0000000000000; };",
       Style);
+  verifyFormat("[](decltype(foo)& Bar) {}", Style);
 
   Style.AlignConsecutiveDeclarations.Enabled = true;
   Style.AlignConsecutiveDeclarations.AlignFunctionPointers = true;

``````````

</details>


https://github.com/llvm/llvm-project/pull/124085
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