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-rw-r--r--clang/test/Preprocessor/line-directive.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/clang/test/Preprocessor/line-directive.c b/clang/test/Preprocessor/line-directive.c
index 04c69a6791a..a9ed4bcf8cd 100644
--- a/clang/test/Preprocessor/line-directive.c
+++ b/clang/test/Preprocessor/line-directive.c
@@ -79,3 +79,11 @@ typedef int w; // expected-error {{redefinition of typedef 'w' is invalid in C}
#line 010 // expected-warning {{#line directive interprets number as decimal, not octal}}
extern int array[__LINE__ == 10 ? 1:-1];
+/* PR3917 */
+#line 41
+extern char array2[\
+_\
+_LINE__ == 42 ? 1: -1]; /* line marker is location of first _ */
+
+
+
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