Uniform and precise source positions for inlining

test/unittests/source-position-table-unittest.cc

Index: test/unittests/source-position-table-unittest.cc
diff --git a/test/unittests/source-position-table-unittest.cc b/test/unittests/source-position-table-unittest.cc
index b1d63aa3dde7f014224ffabf9866f723a6444168..680e1be4c706ce29fcb35604983728aeaef4c448 100644
--- a/test/unittests/source-position-table-unittest.cc
+++ b/test/unittests/source-position-table-unittest.cc
@@ -16,6 +16,10 @@ class SourcePositionTableTest : public TestWithIsolateAndZone {
  public:
   SourcePositionTableTest() {}
   ~SourcePositionTableTest() override {}
+
+  SourcePosition toPos(int offset) {
+    return SourcePosition(offset, offset % 10 - 1);
+  }
 };
 
 // Some random offsets, mostly at 'suspicious' bit boundaries.
@@ -26,7 +30,7 @@ static int offsets[] = {0,   1,   2,    3,    4,     30,      31,  32,
 TEST_F(SourcePositionTableTest, EncodeStatement) {
   SourcePositionTableBuilder builder(zone());
   for (size_t i = 0; i < arraysize(offsets); i++) {
-    builder.AddPosition(offsets[i], offsets[i], true);
+    builder.AddPosition(offsets[i], toPos(offsets[i]), true);
   }
 
   // To test correctness, we rely on the assertions in ToSourcePositionTable().
@@ -38,8 +42,8 @@ TEST_F(SourcePositionTableTest, EncodeStatement) {
 TEST_F(SourcePositionTableTest, EncodeStatementDuplicates) {
   SourcePositionTableBuilder builder(zone());
   for (size_t i = 0; i < arraysize(offsets); i++) {
-    builder.AddPosition(offsets[i], offsets[i], true);
-    builder.AddPosition(offsets[i], offsets[i] + 1, true);
+    builder.AddPosition(offsets[i], toPos(offsets[i]), true);
+    builder.AddPosition(offsets[i], toPos(offsets[i] + 1), true);
   }
 
   // To test correctness, we rely on the assertions in ToSourcePositionTable().
@@ -51,7 +55,7 @@ TEST_F(SourcePositionTableTest, EncodeStatementDuplicates) {
 TEST_F(SourcePositionTableTest, EncodeExpression) {
   SourcePositionTableBuilder builder(zone());
   for (size_t i = 0; i < arraysize(offsets); i++) {
-    builder.AddPosition(offsets[i], offsets[i], false);
+    builder.AddPosition(offsets[i], toPos(offsets[i]), false);
   }
   CHECK(!builder.ToSourcePositionTable(isolate(), Handle<AbstractCode>())
              .is_null());
@@ -66,9 +70,9 @@ TEST_F(SourcePositionTableTest, EncodeAscending) {
     code_offset += offsets[i];
     source_position += offsets[i];
     if (i % 2) {
-      builder.AddPosition(code_offset, source_position, true);
+      builder.AddPosition(code_offset, toPos(source_position), true);
     } else {
-      builder.AddPosition(code_offset, source_position, false);
+      builder.AddPosition(code_offset, toPos(source_position), false);
     }
   }
 
@@ -77,9 +81,9 @@ TEST_F(SourcePositionTableTest, EncodeAscending) {
     code_offset += offsets[i];
     source_position -= offsets[i];
     if (i % 2) {
-      builder.AddPosition(code_offset, source_position, true);
+      builder.AddPosition(code_offset, toPos(source_position), true);
     } else {
-      builder.AddPosition(code_offset, source_position, false);
+      builder.AddPosition(code_offset, toPos(source_position), false);
     }
   }