re PR target/50090 (ARM EABI symbols in libgcc.a have default visibility)

libgcc/
	PR target/50090
	* config/arm/bpabi-lib.h (RENAME_LIBRARY): Use a C-level alias
	instead of an assembly one.

From-SVN: r177826

libgcc/ChangeLog

+2011-08-17  Richard Sandiford  <richard.sandiford@linaro.org>
+
+	PR target/50090
+	* config/arm/bpabi-lib.h (RENAME_LIBRARY): Use a C-level alias
+	instead of an assembly one.
+
 2011-08-12  Paolo Bonzini  <bonzini@gnu.org>
 
 	PR bootstrap/50047

libgcc/config/arm/bpabi-lib.h

@@ -28,9 +28,8 @@
 
 /* Make __aeabi_AEABI_NAME an alias for __GCC_NAME.  */
 #define RENAME_LIBRARY(GCC_NAME, AEABI_NAME)		\
-  __asm__ (".globl\t__aeabi_" #AEABI_NAME "\n"		\
-	   RENAME_LIBRARY_SET "\t__aeabi_" #AEABI_NAME 	\
-	     ", __" #GCC_NAME "\n");
+  typeof (__##GCC_NAME) __aeabi_##AEABI_NAME \
+    __attribute__((alias ("__" #GCC_NAME)));
 
 /* Give some libgcc functions an additional __aeabi name.  */
 #ifdef L_muldi3