Author: Simon Tatham
Date: 2021-06-18T13:43:14+01:00
New Revision: fd569a11b585d13cdceac2d890c2beda0fa5f0eb

URL: 
https://github.com/llvm/llvm-project/commit/fd569a11b585d13cdceac2d890c2beda0fa5f0eb
DIFF: 
https://github.com/llvm/llvm-project/commit/fd569a11b585d13cdceac2d890c2beda0fa5f0eb.diff

LOG: [libclang] Fix error handler in translateSourceLocation.

Given an invalid SourceLocation, translateSourceLocation will call
clang_getNullLocation, and then do nothing with the result. But
clang_getNullLocation has no side effects: it just constructs and
returns a null CXSourceLocation value.

Surely the intention was to //return// that null CXSourceLocation to
the caller, instead of throwing it away and pressing on anyway.

Reviewed By: miyuki

Differential Revision: https://reviews.llvm.org/D104442

Added: 
    

Modified: 
    clang/tools/libclang/CXSourceLocation.h

Removed: 
    


################################################################################
diff  --git a/clang/tools/libclang/CXSourceLocation.h 
b/clang/tools/libclang/CXSourceLocation.h
index ce3d09e1c9eb8..c86f6850375bb 100644
--- a/clang/tools/libclang/CXSourceLocation.h
+++ b/clang/tools/libclang/CXSourceLocation.h
@@ -29,7 +29,7 @@ static inline CXSourceLocation
 translateSourceLocation(const SourceManager &SM, const LangOptions &LangOpts,
                         SourceLocation Loc) {
   if (Loc.isInvalid())
-    clang_getNullLocation();
+    return clang_getNullLocation();
 
   CXSourceLocation Result = { { &SM, &LangOpts, },
                               Loc.getRawEncoding() };


        
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