coverage: Only merge adjacent coverage spans

This also removes some manipulation of the function signature span that only
made sense in the context of merging non-adjacent spans.

1 files changed, 4 insertions, 4 deletions

diff --git a/tests/coverage/lazy_boolean.coverage b/tests/coverage/lazy_boolean.coverage
index 828ba2a5811..0a30038e02f 100644
--- a/tests/coverage/lazy_boolean.coverage
+++ b/tests/coverage/lazy_boolean.coverage
@@ -2,11 +2,11 @@
    LL|       |
    LL|       |#[rustfmt::skip]
    LL|      1|fn main() {
-   LL|      1|    // Initialize test constants in a way that cannot be determined at compile time, to ensure
-   LL|      1|    // rustc and LLVM cannot optimize out statements (or coverage counters) downstream from
-   LL|      1|    // dependent conditions.
+   LL|       |    // Initialize test constants in a way that cannot be determined at compile time, to ensure
+   LL|       |    // rustc and LLVM cannot optimize out statements (or coverage counters) downstream from
+   LL|       |    // dependent conditions.
    LL|      1|    let is_true = std::env::args().len() == 1;
-   LL|      1|
+   LL|       |
    LL|      1|    let (mut a, mut b, mut c) = (0, 0, 0);
    LL|      1|    if is_true {
    LL|      1|        a = 1;