This revision was automatically updated to reflect the committed changes.
Closed by commit rL368322: clang: Diag running out of file handles while
looking for files (authored by nico, committed by ).
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.
Changed prior to commit:
https://reviews.llvm.org/D65956?vs=214166&id=214192#toc
Repository:
rL LLVM
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D65956/new/
https://reviews.llvm.org/D65956
Files:
cfe/trunk/lib/Lex/HeaderSearch.cpp
Index: cfe/trunk/lib/Lex/HeaderSearch.cpp
===================================================================
--- cfe/trunk/lib/Lex/HeaderSearch.cpp
+++ cfe/trunk/lib/Lex/HeaderSearch.cpp
@@ -309,9 +309,18 @@
ModuleMap::KnownHeader *SuggestedModule) {
// If we have a module map that might map this header, load it and
// check whether we'll have a suggestion for a module.
- auto File = getFileMgr().getFile(FileName, /*OpenFile=*/true);
- if (!File)
+ llvm::ErrorOr<const FileEntry *> File =
+ getFileMgr().getFile(FileName, /*OpenFile=*/true);
+ if (!File) {
+ // For rare, surprising errors (e.g. "out of file handles"), diag the EC
+ // message.
+ std::error_code EC = File.getError();
+ if (EC != std::errc::no_such_file_or_directory &&
+ EC != std::errc::is_a_directory) {
+ Diags.Report(IncludeLoc, diag::err_cannot_open_file) << EC.message();
+ }
return nullptr;
+ }
// If there is a module that corresponds to this header, suggest it.
if (!findUsableModuleForHeader(*File, Dir ? Dir : (*File)->getDir(),
Index: cfe/trunk/lib/Lex/HeaderSearch.cpp
===================================================================
--- cfe/trunk/lib/Lex/HeaderSearch.cpp
+++ cfe/trunk/lib/Lex/HeaderSearch.cpp
@@ -309,9 +309,18 @@
ModuleMap::KnownHeader *SuggestedModule) {
// If we have a module map that might map this header, load it and
// check whether we'll have a suggestion for a module.
- auto File = getFileMgr().getFile(FileName, /*OpenFile=*/true);
- if (!File)
+ llvm::ErrorOr<const FileEntry *> File =
+ getFileMgr().getFile(FileName, /*OpenFile=*/true);
+ if (!File) {
+ // For rare, surprising errors (e.g. "out of file handles"), diag the EC
+ // message.
+ std::error_code EC = File.getError();
+ if (EC != std::errc::no_such_file_or_directory &&
+ EC != std::errc::is_a_directory) {
+ Diags.Report(IncludeLoc, diag::err_cannot_open_file) << EC.message();
+ }
return nullptr;
+ }
// If there is a module that corresponds to this header, suggest it.
if (!findUsableModuleForHeader(*File, Dir ? Dir : (*File)->getDir(),
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