compiletest: Do not deduplicate diagnostics in UI tests

petrochenkov · petrochenkov · commit 25b962156b1e · 2020-01-08T23:17:11.000+03:00
diff --git a/src/tools/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs
@@ -1864,12 +1864,14 @@ impl<'test> TestCx<'test> {
                     rustc.args(&["--error-format", "json"]);
                 }
                 rustc.arg("-Zui-testing");
+                rustc.arg("-Zdeduplicate-diagnostics=no");
             }
             Ui => {
                 if !self.props.compile_flags.iter().any(|s| s.starts_with("--error-format")) {
                     rustc.args(&["--error-format", "json"]);
                 }
                 rustc.arg("-Zui-testing");
+                rustc.arg("-Zdeduplicate-diagnostics=no");
             }
             MirOpt => {
                 rustc.args(&[

Original file line number	Diff line number	Diff line change
`@@ -1864,12 +1864,14 @@ impl<'test> TestCx<'test> {`
`1864`	`1864`	`rustc.args(&["--error-format", "json"]);`
`1865`	`1865`	`}`
`1866`	`1866`	`rustc.arg("-Zui-testing");`
	`1867`	`+ rustc.arg("-Zdeduplicate-diagnostics=no");`
`1867`	`1868`	`}`
`1868`	`1869`	`Ui => {`
`1869`	`1870`	`if !self.props.compile_flags.iter().any(\|s\| s.starts_with("--error-format")) {`
`1870`	`1871`	`rustc.args(&["--error-format", "json"]);`
`1871`	`1872`	`}`
`1872`	`1873`	`rustc.arg("-Zui-testing");`
	`1874`	`+ rustc.arg("-Zdeduplicate-diagnostics=no");`
`1873`	`1875`	`}`
`1874`	`1876`	`MirOpt => {`
`1875`	`1877`	`rustc.args(&[`