[compiler-rt] [llvm] [llvm-cov][gcov] Support multi-files coverage in one basic block (PR #144504)

[Fangrui Song via llvm-commits]

================
@@ -32,10 +32,8 @@ int main(int argc, char *argv[]) { // CHECK:      1: [[#]]:int main
 //--- a.h
 /// Apple targets doesn't enable -mconstructor-aliases by default and the count may be 4.
 struct A { A() { } };              // CHECK:      {{[24]}}: [[#]]:struct A
-inline auto *const inl_var_a =
-    new A;
-/// TODO a.inc:1 should have line execution.
-// CHECK-NOT:  {{^ +[0-9]+:}}
+inline auto *const inl_var_a =     // CHECK:      1: [[#]]:
----------------
MaskRay wrote:

-NEXT:

otherwise `1: [[#]]:` could match a different line

https://github.com/llvm/llvm-project/pull/144504