https://bugs.llvm.org/show_bug.cgi?id=44324
Bug ID: 44324
Summary: Difference with gcc's -Wmisleading-indentation
Product: clang
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: Frontend
Assignee: unassignedclangb...@nondot.org
Reporter: simon.mar...@polymtl.ca
CC: llvm-bugs@lists.llvm.org, neeil...@live.com,
richard-l...@metafoo.co.uk
clang++ 10 reports a misleading indentation warning with the attached code,
whereas g++ does not.
test.cpp:14:7: warning: misleading indentation; statement is not part of the
previous 'if' [-Wmisleading-indentation]
j = j;
^
test.cpp:11:4: note: previous statement is here
if (k)
^
1 warning generated.
The warning is due to the presence of a spurious space at the beginning of line
12, before the tab. I don't really know if this should warn or not (or if
there's even a right answer to this), but I thought I would report it so you
can judge for yourself.
I've been told [1]that gcc respects tab stops to compute the indentation. My
understanding is that for gcc, "<space><tab>" and "<tab>" will both amount to 8
columns (using the default of -ftabstop=8), so it won't make a difference.
[1] https://sourceware.org/ml/gdb-patches/2019-12/msg00751.html
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