https://bugs.llvm.org/show_bug.cgi?id=44947
Bug ID: 44947
Summary: Spaces between type and variable name in IIFE lambda
in brace init removed by formatter
Product: clang
Version: 9.0
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: Formatter
Assignee: unassignedclangb...@nondot.org
Reporter: l...@morgenst.de
CC: djas...@google.com, kli...@google.com,
llvm-bugs@lists.llvm.org
The following code
```
int foo {[]() {
int bar{ 0 };
return 0;
}()};
```
is formatted into
```
int foo{ []() {
intbar{ 0 };
return 0;
}() };
```
by clang-format-9 when using -style="{AlignConsecutiveDeclarations: true,
Cpp11BracedListStyle: false}".
The resulting code no longer compiles - note the missing space between `int`
and the variable name.
Changing either formatting option will fix the problem, it's the combination
that leads to the erroneous output.
The code is also correctly formatted if the outer braces (initialization of
foo) are replaced by a `=` assignment.
I don't have a later clang-format version than 9 installed locally, but trying
this code snippet in https://zed0.co.uk/clang-format-configurator with
10.0.0+b452de0 and these two formatting options, the output suddenly gets blank
(-> crash?).
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