* sem_ch3.adb (Analyze_Variant_Part): check that type of discriminant

	is discrete before analyzing choices.

	* bindgen.adb (Gen_Output_File_Ada): Generate a new C-like string
	containing the name of the Ada Main Program. This string is mainly
	intended for the debugger.
	(Gen_Output_File_C): Do the equivalent change when generating a C file.

	* ali.adb: Set new Dummy_Entry field in dependency entry

	* ali.ads: Add Dummy_Entry field to source dependency table

	* bcheck.adb (Check_Consistency): Ignore dummy D lines

	* lib-writ.adb (Writ_ALI): Write dummy D lines for missing source files

	* lib-writ.ads: Document dummy D lines for missing files.

	* types.ads: (Dummy_Time_Stamp): New value for non-existant files


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@48126 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 8 insertions, 2 deletions

diff --git a/gcc/ada/ali.ads b/gcc/ada/ali.ads
index 1e427e836b8..78b9435f334 100644
--- a/gcc/ada/ali.ads
+++ b/gcc/ada/ali.ads
@@ -517,10 +517,16 @@ package ALI is
       --  Name of source file
 
       Stamp : Time_Stamp_Type;
-      --  Time stamp value
+      --  Time stamp value. Note that this will be all zero characters
+      --  for the dummy entries for missing or non-dependent files.
 
       Checksum : Word;
-      --  Checksum value
+      --  Checksum value. Note that this will be all zero characters
+      --  for the dummy entries for missing or non-dependent files
+
+      Dummy_Entry : Boolean;
+      --  Set True for dummy entries that correspond to missing files
+      --  or files where no dependency relationship exists.
 
       Subunit_Name : Name_Id;
       --  Name_Id for subunit name if present, else No_Name