re PR target/37283 (Cannot build crtbegin.o for ARM)

    gcc/
	PR target/37283
	* config/arm/arm.c (arm_optimization_options): Set
	flag_section_anchors to 2 instead of 1 to distinguish it from
	-fsection-anchors given explicitely on the command line.

From-SVN: r139803

gcc/ChangeLog

+2008-08-30  Samuel Tardieu  <sam@rfc1149.net>
+
+	PR target/37283
+	* config/arm/arm.c (arm_optimization_options): Set
+	flag_section_anchors to 2 instead of 1 to distinguish it from
+	-fsection-anchors given explicitely on the command line.
+
 2008-08-30  Richard Sandiford  <rdsandiford@googlemail.com>
 
 	* recog.c (split_insn): Consider attaching a REG_EQUAL note to the

gcc/config/arm/arm.c

@@ -19112,8 +19112,11 @@ arm_order_regs_for_local_alloc (void)
 void
 arm_optimization_options (int level, int size ATTRIBUTE_UNUSED)
 {
-  /* Enable section anchors by default at -O1 or higher.  */
-  flag_section_anchors = (level > 0 ? 1 : 0);
+  /* Enable section anchors by default at -O1 or higher.
+     Use 2 to distinguish from an explicit -fsection-anchors
+     given on the command line.  */
+  if (level > 0)
+    flag_section_anchors = 2;
 }
 
 #include "gt-arm.h"