X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=src%2Fcc65%2Flocals.c;h=024c1c5fc457344f559ced2e3da1964939c2b85b;hb=0614078198d69d3d891fe669e4703e8a60beddca;hp=ffadb1bd502f57eb47468fc679d61979a6307758;hpb=0b186407f1117529f0f6902569f9d24bc8b1b979;p=cc65

diff --git a/src/cc65/locals.c b/src/cc65/locals.c
index ffadb1bd5..024c1c5fc 100644
--- a/src/cc65/locals.c
+++ b/src/cc65/locals.c
@@ -52,6 +52,7 @@
 #include "standard.h"
 #include "symtab.h"
 #include "typeconv.h"
+#include "input.h"
 
 
 
@@ -270,6 +271,14 @@ static void ParseAutoDecl (Declaration* Decl)
             /* Mark the variable as referenced */
             Sym->Flags |= SC_REF;
 
+            /* Make note of auto variables initialized in current block.
+            ** We abuse the Collection somewhat by using it to store line
+            ** numbers.
+            */
+            CollReplace (&CurrentFunc->LocalsBlockStack,
+                    (void *)(size_t)GetCurrentLine (),
+                    CollCount (&CurrentFunc->LocalsBlockStack) - 1);
+
         } else {
             /* Non-initialized local variable. Just keep track of
             ** the space needed.
@@ -489,6 +498,9 @@ void DeclareLocals (void)
     /* Remember the current stack pointer */
     int InitialStack = StackPtr;
 
+    /* A place to store info about potential initializations of auto variables */
+    CollAppend (&CurrentFunc->LocalsBlockStack, 0);
+
     /* Loop until we don't find any more variables */
     while (1) {
 
@@ -538,6 +550,11 @@ void DeclareLocals (void)
     /* Be sure to allocate any reserved space for locals */
     F_AllocLocalSpace (CurrentFunc);
 
+    /* No auto variables were inited. No new block on the stack then. */
+    if (CollLast (&CurrentFunc->LocalsBlockStack) == NULL) {
+        CollPop (&CurrentFunc->LocalsBlockStack);
+    }
+
     /* In case we've allocated local variables in this block, emit a call to
     ** the stack checking routine if stack checks are enabled.
     */