d/dmd: Merge upstream dmd d1a606599

Fixes long standing regression in the D front-end implemention, and adds
a new field to allow retrieving a list of all content imports from the
code generator.

Reviewed-on: https://github.com/dlang/dmd/pull/10913
	     https://github.com/dlang/dmd/pull/10933

gcc/d/dmd/MERGE

-b061bd744cb4eb94a7118581387d988d4ec25e97
+d1a606599e7c2bea8fda8bf5e3ddceb486ae69ac
 
 The first line of this file holds the git revision number of the last
 merge done from the dlang/dmd repository.

gcc/d/dmd/dclass.c

@@ -395,7 +395,6 @@ void ClassDeclaration::semantic(Scope *sc)
     }
     else if (symtab && !scx)
     {
-        semanticRun = PASSsemanticdone;
         return;
     }
     semanticRun = PASSsemantic;

gcc/d/dmd/expressionsem.c

@@ -2370,6 +2370,7 @@ public:
             return setError();
         }
 
+        sc->_module->contentImportedFiles.push(name);
         if (global.params.verbose)
             message("file      %.*s\t(%s)", (int)se->len, (char *)se->string, name);
         if (global.params.moduleDeps != NULL)

gcc/d/dmd/module.h

@@ -76,6 +76,7 @@ public:
     unsigned numlines;  // number of lines in source file
     int isDocFile;      // if it is a documentation input file, not D source
     bool isPackageFile; // if it is a package.d
+    Strings contentImportedFiles;  // array of files whose content was imported
     int needmoduleinfo;
 
     int selfimports;            // 0: don't know, 1: does not, 2: does

gcc/testsuite/gdc.test/compilable/imports/pr9471a.d

+import imports.pr9471c;
+class AggregateDeclaration : ScopeDsymbol { }

gcc/testsuite/gdc.test/compilable/imports/pr9471b.d

+import imports.pr9471a;
+class ClassDeclaration : AggregateDeclaration
+{
+    void isBaseOf();
+}

gcc/testsuite/gdc.test/compilable/imports/pr9471c.d

+import imports.pr9471b;
+
+struct Array(T)
+{
+    static if (is(typeof(T.opCmp))) { }
+}
+alias ClassDeclarations = Array!ClassDeclaration;
+
+class Dsymbol
+{
+    void addObjcSymbols(ClassDeclarations);
+}
+
+class ScopeDsymbol : Dsymbol
+{
+    import imports.pr9471d;
+    void importScope();
+}

gcc/testsuite/gdc.test/compilable/imports/pr9471d.d

+// Module needs to be imported to trigger bug.

gcc/testsuite/gdc.test/compilable/pr9471.d

+// PERMUTE_ARGS:
+// EXTRA_FILES: imports/pr9471a.d imports/pr9471b.d imports/pr9471c.d imports/pr9471d.d
+import imports.pr9471a;
+import imports.pr9471b;
+
+static assert (__traits(getVirtualIndex, ClassDeclaration.isBaseOf) == 7);

gcc/testsuite/gdc.test/runnable/traits.d

@@ -1253,7 +1253,7 @@ struct S10096X
     this(this) {}
     ~this() {}
 
-    string getStr() in(str) out(r; r == str) { return str; }
+    string getStr() in { assert(str); } out(r) { assert(r == str); } body { return str; }
 }
 static assert(
     [__traits(allMembers, S10096X)] ==
@@ -1271,7 +1271,7 @@ class C10096X
     this(int) {}
     ~this() {}
 
-    string getStr() in(str) out(r; r == str) { return str;
+    string getStr() in { assert(str); } out(r) { assert(r == str); } body { return str; }
 }
 static assert(
     [__traits(allMembers, C10096X)] ==