(handle_directive): Don't treat newline as white space when coalescing

white space around a backslash-newline.

From-SVN: r10519

diff --git a/gcc/cccp.c b/gcc/cccp.c
index 64f5f757b40b0660174cb789eb1be1f62b99706d..39f1a5ae7c894eda2f730c93c3da46c04e4a4947 100644 (file)
--- a/gcc/cccp.c
+++ b/gcc/cccp.c
@@ -3938,11 +3938,11 @@ handle_directive (ip, op)
            if (*xp == '\n') {
              xp++;
              cp--;
-             if (cp != buf && is_space[cp[-1]]) {
-               while (cp != buf && is_space[cp[-1]]) cp--;
-               cp++;
+             if (cp != buf && is_hor_space[cp[-1]]) {
+               while (cp - 1 != buf && is_hor_space[cp[-2]])
+                 cp--;
                SKIP_WHITE_SPACE (xp);
-             } else if (is_space[*xp]) {
+             } else if (is_hor_space[*xp]) {
                *cp++ = *xp++;
                SKIP_WHITE_SPACE (xp);
              }