Merge branch 'devel' of github.com:nim-lang/Nim into devel

compiler/ccgexprs.nim

@@ -78,8 +78,10 @@ proc genLiteral(p: BProc, n: PNode, ty: PType): Rope =
                         [p.module.tmpBase, rope(id)])
     else:
       result = makeCString(n.strVal)
-  of nkFloatLit..nkFloat64Lit:
+  of nkFloatLit, nkFloat64Lit:
     result = rope(n.floatVal.toStrMaxPrecision)
+  of nkFloat32Lit:
+    result = rope(n.floatVal.toStrMaxPrecision("f"))
   else:
     internalError(n.info, "genLiteral(" & $n.kind & ')')
     result = nil

compiler/rodutils.nim

@@ -12,17 +12,17 @@ import strutils
 
 proc c_sprintf(buf, frmt: cstring) {.importc: "sprintf", header: "<stdio.h>", nodecl, varargs.}
 
-proc toStrMaxPrecision*(f: BiggestFloat): string =
+proc toStrMaxPrecision*(f: BiggestFloat, literalPostfix = ""): string =
   if f != f:
     result = "NAN"
   elif f == 0.0:
-    result = "0.0"
+    result = "0.0" & literalPostfix
   elif f == 0.5 * f:
     if f > 0.0: result = "INF"
     else: result = "-INF"
   else:
     var buf: array[0..80, char]
-    c_sprintf(buf, "%#.16e", f)
+    c_sprintf(buf, "%#.16e" & literalPostfix, f)
     result = $buf
 
 proc encodeStr*(s: string, result: var string) =

tests/float/tissue5821.nim

@@ -0,0 +1,13 @@
+discard """
+  file: "tissue5821.nim"
+  output: ''''''
+"""
+proc main(): void =
+  let a: float32 = 47.11'f32
+  doAssert a == 47.11'f32
+
+  let b: float64 = 10.234402823e+38'f64
+  doAssert b != 10.123402823e+38'f64
+  doAssert b == 10.234402823e+38'f64
+
+main()