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-rw-r--r--libgloss/arm/crt0.S4
1 files changed, 3 insertions, 1 deletions
diff --git a/libgloss/arm/crt0.S b/libgloss/arm/crt0.S
index 7c662f915..35c306be0 100644
--- a/libgloss/arm/crt0.S
+++ b/libgloss/arm/crt0.S
@@ -125,9 +125,11 @@
/* Set __heap_limit. */
ldr r1, [r0, #4]
+ cmp r1, #0
+ beq .LC33
ldr r2, =__heap_limit
str r1, [r2]
-
+.LC33:
ldr r1, [r0, #0]
cmp r1, #0
bne .LC32