From e86e4cd097f50ca1c0bfde9142e0460d0d1203db Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Wed, 28 Jan 2009 05:42:38 +0000 Subject: [PATCH] fix a crash I introduced, thanks to Ted for the awesome reduced testcase :) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63182 91177308-0d34-0410-b5e6-96231b3b80d8 --- Driver/DependencyFile.cpp | 7 +++++-- test/Driver/dependency-gen.c | 5 +++++ 2 files changed, 10 insertions(+), 2 deletions(-) create mode 100644 test/Driver/dependency-gen.c diff --git a/Driver/DependencyFile.cpp b/Driver/DependencyFile.cpp index 0d4ee91f01..673ca0734a 100644 --- a/Driver/DependencyFile.cpp +++ b/Driver/DependencyFile.cpp @@ -174,8 +174,11 @@ void DependencyFileCallback::FileChanged(SourceLocation Loc, // #line markers to affect dependency generation! SourceManager &SM = PP->getSourceManager(); - FileID FID = SM.getFileID(SM.getInstantiationLoc(Loc)); - const char *Filename = SM.getFileEntryForID(FID)->getName(); + const FileEntry *FE = + SM.getFileEntryForID(SM.getFileID(SM.getInstantiationLoc(Loc))); + if (FE == 0) return; + + const char *Filename = FE->getName(); if (!FileMatchesDepCriteria(Filename, FileType)) return; diff --git a/test/Driver/dependency-gen.c b/test/Driver/dependency-gen.c new file mode 100644 index 0000000000..ad9029f9f1 --- /dev/null +++ b/test/Driver/dependency-gen.c @@ -0,0 +1,5 @@ + +// rdar://6533411 +// RUN: clang -MD -MF /tmp/null.d -x c /dev/null + + -- 2.50.1