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Fix crash in libclang if code completion is used with unknown flags. 

Use CaptureDroppedDiagnostics to make sure that there is a diagnostic
client installed when warning flags are parsed.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@186582 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Manuel Klimek 2013-07-18 14:23:12 +00:00
parent 2dbdef2374
commit f0c06a3fa4
2 changed files with 4 additions and 1 deletions
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2
lib/Frontend/ASTUnit.cpp
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@ -2410,10 +2410,10 @@ void ASTUnit::CodeComplete(StringRef File, unsigned Line, unsigned Column,
// Set up diagnostics, capturing any diagnostics produced. // Set up diagnostics, capturing any diagnostics produced.
Clang->setDiagnostics(&Diag); Clang->setDiagnostics(&Diag);
ProcessWarningOptions(Diag, CCInvocation->getDiagnosticOpts());
CaptureDroppedDiagnostics Capture(true, CaptureDroppedDiagnostics Capture(true,
Clang->getDiagnostics(), Clang->getDiagnostics(),
StoredDiagnostics); StoredDiagnostics);
ProcessWarningOptions(Diag, CCInvocation->getDiagnosticOpts());
// Create the target instance. // Create the target instance.
Clang->setTarget(TargetInfo::CreateTargetInfo(Clang->getDiagnostics(), Clang->setTarget(TargetInfo::CreateTargetInfo(Clang->getDiagnostics(),

3
test/Index/c-index-unsupported-warning-test.c Normal file
View File

@ -0,0 +1,3 @@
// RUN: c-index-test -code-completion-at=%s:1:1 -Wunknown-foo-bar-warning -Werror %s
void f();