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Merge pull request #417 from ISSOtm/zero_sections

Allow 0-byte SECTIONs to be fixed anywhere

--- a/src/link/assign.c

+++ b/src/link/assign.c

@@ -155,6 +155,11 @@

 int32_t area_doAlloc(struct sFreeArea *pArea, int32_t org, int32_t size)

 {

+	if (size == 0) {

+		/* 0-byte SECTIONs don't take any room, they can go anywhere */

+		return org;

+	}

+

 	if ((org >= pArea->nOrg)

 	    && ((org + size) <= (pArea->nOrg + pArea->nSize))) {