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-rw-r--r--Driver/RewriteObjC.cpp7
1 files changed, 6 insertions, 1 deletions
diff --git a/Driver/RewriteObjC.cpp b/Driver/RewriteObjC.cpp
index 0ee0599b89..641da1877d 100644
--- a/Driver/RewriteObjC.cpp
+++ b/Driver/RewriteObjC.cpp
@@ -1493,7 +1493,12 @@ Stmt *RewriteObjC::RewriteObjCThrowStmt(ObjCAtThrowStmt *S) {
buf = "objc_exception_throw(";
else // add an implicit argument
buf = "objc_exception_throw(_caught";
- ReplaceText(startLoc, 6, buf.c_str(), buf.size());
+
+ // handle "@ throw" correctly.
+ const char *wBuf = strchr(startBuf, 'w');
+ assert((*wBuf == 'w') && "@throw: can't find 'w'");
+ ReplaceText(startLoc, wBuf-startBuf+1, buf.c_str(), buf.size());
+
const char *semiBuf = strchr(startBuf, ';');
assert((*semiBuf == ';') && "@throw: can't find ';'");
SourceLocation semiLoc = startLoc.getFileLocWithOffset(semiBuf-startBuf);