Author: mydeveloperday
Date: 2021-10-20T09:07:12+01:00
New Revision: 5e969125c6094b909493bcd8360497adcdf8f6f5

URL: 
https://github.com/llvm/llvm-project/commit/5e969125c6094b909493bcd8360497adcdf8f6f5
DIFF: 
https://github.com/llvm/llvm-project/commit/5e969125c6094b909493bcd8360497adcdf8f6f5.diff

LOG: [clang-format] git-clang-format throws an assertion when removing files as 
part of the commit

Following a change {D111273} to allow git-clang-format to see single lines 
being removed,
we introduced a regression such that if you are removing a whole file it will
assert in clang-format as its given the -lines=0:0  (lines are 1 based)

Reviewed By: HazardyKnusperkeks

Differential Revision: https://reviews.llvm.org/D112056

Added: 
    

Modified: 
    clang/tools/clang-format/git-clang-format

Removed: 
    


################################################################################
diff  --git a/clang/tools/clang-format/git-clang-format 
b/clang/tools/clang-format/git-clang-format
index 40e848d55a8c..c7e15eb7b483 100755
--- a/clang/tools/clang-format/git-clang-format
+++ b/clang/tools/clang-format/git-clang-format
@@ -327,6 +327,8 @@ def extract_lines(patch_file):
         line_count = int(match.group(3))
       if line_count == 0:
         line_count = 1
+      if start_line == 0:
+        continue
       matches.setdefault(filename, []).append(Range(start_line, line_count))
   return matches
 


        
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