Emilia Kond e9ed1aa9cd [clang-format] Correctly annotate designated initializer with PP if (#65409) ...

When encountering braces, such as those of a designated initializer,
clang-format scans ahead to see what is contained within the braces. If
it found a statement, like an if-statement of for-loop, it would deem
the braces as not an initializer, but as a block instead.

However, this heuristic incorrectly included a preprocessor `#if` line
as an if-statement. This manifested in strange results and discrepancies
between `#ifdef` and `#if defined`.

With this patch, `if` is now ignored if it is preceeded by `#`.

Fixes most of https://github.com/llvm/llvm-project/issues/56685

2023-09-07 22:23:05 +03:00

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