[all-commits] [llvm/llvm-project] f7dc91: [pseudo] Eliminate a false parse of structured bin...

[Haojian Wu via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: f7dc91ad5609fab02cb805861dd232cab492340d
      https://github.com/llvm/llvm-project/commit/f7dc91ad5609fab02cb805861dd232cab492340d
  Author: Haojian Wu <hokein.wu at gmail.com>
  Date:   2022-08-23 (Tue, 23 Aug 2022)

  Changed paths:
    M clang-tools-extra/pseudo/lib/cxx/CXX.cpp
    M clang-tools-extra/pseudo/lib/cxx/cxx.bnf
    A clang-tools-extra/pseudo/test/cxx/structured-binding.cpp

  Log Message:
  -----------
  [pseudo] Eliminate a false parse of structured binding declaration.

Using the guard to implement part of the rule https://eel.is/c++draft/dcl.pre#6.

```
void foo() {
  // can be parsed as
  //   - structured-binding declaration (a false parse)
  //   - assignment expression
  array[index] = value;
}
```

Differential Revision: https://reviews.llvm.org/D132260