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-rw-r--r--clang/lib/CodeGen/CGExpr.cpp2
-rw-r--r--clang/test/CodeGenCXX/debug-info-line.cpp26
2 files changed, 28 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CGExpr.cpp b/clang/lib/CodeGen/CGExpr.cpp
index 1a3a61a76dd..6ced6e18f94 100644
--- a/clang/lib/CodeGen/CGExpr.cpp
+++ b/clang/lib/CodeGen/CGExpr.cpp
@@ -3133,6 +3133,8 @@ LValue CodeGenFunction::EmitBinaryOperatorLValue(const BinaryOperator *E) {
RValue RV = EmitAnyExpr(E->getRHS());
LValue LV = EmitCheckedLValue(E->getLHS(), TCK_Store);
+ if (CGDebugInfo *DI = getDebugInfo())
+ DI->EmitLocation(Builder, E->getLocStart());
EmitStoreThroughLValue(RV, LV);
return LV;
}
diff --git a/clang/test/CodeGenCXX/debug-info-line.cpp b/clang/test/CodeGenCXX/debug-info-line.cpp
new file mode 100644
index 00000000000..0434de5e102
--- /dev/null
+++ b/clang/test/CodeGenCXX/debug-info-line.cpp
@@ -0,0 +1,26 @@
+// RUN: %clang_cc1 -g -std=c++11 -S -emit-llvm %s -o - | FileCheck %s
+
+int src(); int* sink();
+
+void f1() {
+#line 100
+ * // The store for the assignment should be attributed to the start of the
+ // assignment expression here, regardless of the location of subexpressions.
+ (
+ sink
+ (
+ )
+ +
+ 3
+ )
+ =
+ src
+ (
+ )
+ +
+ 42
+ ;
+ // CHECK: store {{.*}}, !dbg [[DBG1:!.*]]
+}
+
+// CHECK: [[DBG1]] = metadata !{i32 100, {{.*}}
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