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[pf3gnuchains/gcc-fork.git] / gcc / c-pch.c

diff --git a/gcc/c-pch.c b/gcc/c-pch.c
index 691e12a..b4f7050 100644 (file)
--- a/gcc/c-pch.c
+++ b/gcc/c-pch.c
@@ -45,7 +45,6 @@ static const struct c_pch_matching
   const char *flag_name;
 } pch_matching[] = {
   { &flag_exceptions, "-fexceptions" },
-  { &flag_unit_at_a_time, "-funit-at-a-time" }
 };
 
 enum {
@@ -93,10 +92,10 @@ static const char *
 get_ident (void)
 {
   static char result[IDENT_LENGTH];
-  static const char template[IDENT_LENGTH] = "gpch.013";
+  static const char templ[IDENT_LENGTH] = "gpch.013";
   static const char c_language_chars[] = "Co+O";
 
-  memcpy (result, template, IDENT_LENGTH);
+  memcpy (result, templ, IDENT_LENGTH);
   result[4] = c_language_chars[c_language];
 
   return result;
@@ -368,11 +367,13 @@ c_common_read_pch (cpp_reader *pfile, const char *name,
   struct c_pch_header h;
   struct save_macro_data *smd;
   expanded_location saved_loc;
+  bool saved_trace_includes;
 
   f = fdopen (fd, "rb");
   if (f == NULL)
     {
       cpp_errno (pfile, CPP_DL_ERROR, "calling fdopen");
+      close (fd);
       return;
     }
 
@@ -381,6 +382,7 @@ c_common_read_pch (cpp_reader *pfile, const char *name,
   if (fread (&h, sizeof (h), 1, f) != 1)
     {
       cpp_errno (pfile, CPP_DL_ERROR, "reading");
+      fclose (f);
       return;
     }
 
@@ -411,16 +413,21 @@ c_common_read_pch (cpp_reader *pfile, const char *name,
 
   /* Save the location and then restore it after reading the PCH.  */
   saved_loc = expand_location (line_table->highest_line);
+  saved_trace_includes = line_table->trace_includes;
 
   cpp_prepare_state (pfile, &smd);
 
   gt_pch_restore (f);
 
   if (cpp_read_state (pfile, name, f, smd) != 0)
-    return;
+    {
+      fclose (f);
+      return;
+    }
 
   fclose (f);
 
+  line_table->trace_includes = saved_trace_includes;
   cpp_set_line_map (pfile, line_table);
   linemap_add (line_table, LC_RENAME, 0, saved_loc.file, saved_loc.line);
 
@@ -456,7 +463,7 @@ c_common_pch_pragma (cpp_reader *pfile, const char *name)
   if (!cpp_get_options (pfile)->preprocessed)
     {
       error ("pch_preprocess pragma should only be used with -fpreprocessed");
-      inform ("use #include instead");
+      inform (input_location, "use #include instead");
       return;
     }
 
@@ -467,7 +474,7 @@ c_common_pch_pragma (cpp_reader *pfile, const char *name)
   if (c_common_valid_pch (pfile, name, fd) != 1)
     {
       if (!cpp_get_options (pfile)->warn_invalid_pch)
-       inform ("use -Winvalid-pch for more information");
+       inform (input_location, "use -Winvalid-pch for more information");
       fatal_error ("%s: PCH file was invalid", name);
     }